All Seasons

Season 1

  • S01E01 House on the Lake

    • July 21, 2017
    • Oxygen

    A mom suddenly vanishes and a dad is under suspicion, but there was no body, weapon or eyewitness, and surprises cropped up along the way.

  • S01E02 Unimaginable

    • July 28, 2017
    • Oxygen

    Investigating whether a toddler left in the car for seven hours while his dad was at work was a heartbreaking accident or murder.

  • S01E03 Betrayed

    • August 4, 2017
    • Oxygen

    Melissa Lewis disappears, leaving signs of a struggle and a strange orange mist behind her; her boss goes missing and leaves behind an even bigger mess, and a missing fortune.

  • S01E04 A Texas Twist

    • August 11, 2017
    • Oxygen

    This part of the Lone Star State is largely sheltered from hurricanes, but, as it turned out, not from one unnatural disaster.

  • S01E05 Nightfall

    • August 18, 2017
    • Oxygen

    After a young mom is found dead on the side of a country road, 40 miles from her Knoxville home, investigators scramble to figure out how she ended up there.

  • S01E06 Burning Suspicion

    • August 25, 2017
    • Oxygen

    At first, the fatal fire that swept through the home of a young couple looked like an accident then investigators took a closer look and what they discovered about the fire, and this couple, left them burning with suspicion.

  • S01E07 Lost and Found

    • September 1, 2017
    • Oxygen

    A 4-year-old girl abducted and raised by her kidnapper spends decades trying to get back home, and she finally accomplishes her goal; as it turns out, that ending was only the beginning.

  • S01E08 The Mystery of the Murdered Major

    • September 8, 2017
    • Oxygen

    After an attack on a respected U.S. Army major in the middle of the night, police launch an investigation that reveals wild secrets -- secrets that might hold the key to murder.

  • S01E09 The House in the Woods

    • September 15, 2017
    • Oxygen

    A hockey player finds his wife murdered in their home; his daughter says she saw a robber, but the killer's identity turns out to be far more complicated; police have their suspects but her family members have questions of their own.

  • S01E10 Frantic

    • September 22, 2017
    • Oxygen

    After Christina, the twenty-three-year-old fashionista, goes out to a high-end shopping mall on a Friday night and vanishes, police question everyone; they know someone is lying, but not who.

  • S01E11 The Player

    • September 29, 2017
    • Oxygen

    A double murder reveals a double life; the victims are a well-respected couple whose son plays poker for a living; his alibi is his ace in the hole, but when detectives find key evidence, they think they are holding all the cards.

  • S01E12 The Goldfinger Mystery

    • October 6, 2017
    • Oxygen

    A couple who made a fortune in gold is headed for divorce when the wife is murdered; on tape, the husband is not at the crime scene, but police think the video holds the key to unlocking a mystery.

  • S01E13 Secrets in a Small Town

    • October 13, 2017
    • Oxygen

    A woman's life ends in mystery on a dead end road; a mother of three, loved by her family and tight-knit community; for years the murder investigation went cold, but secrets have a way of eventually coming out.

  • S01E14 Crossing the Line

    • October 20, 2017
    • Oxygen

    Big sky country and a dangerous highway set the scene of a fatal car crash; determining if the tragedy was an accident or a crime and the secrets behind the truth hiding in text messages sent just before a car crossed the line.

  • S01E15 Mystery at Heath Bar Farm

    • October 27, 2017
    • Oxygen

    A popular teacher is savagely murdered in her home; there is an arrest, a trial, and a conviction, but when a bombshell comes in after the verdict, the convicted murderer is given a chance at freedom.

  • S01E16 Deadly Triangle

    • November 3, 2017
    • Oxygen

    If a killer is still free after 25 years, then maybe they got away with murder; the trail goes cold, never to warm up again, until one day it does.

  • S01E17 Diabolical

    • November 10, 2017
    • Oxygen

    A newlywed receives terrifying emails with threats of kidnapping and death; the emails appear to come from an ex-girlfriend, but hiding behind the threats is a cyber-secret.

  • S01E18 The Day She Disappeared

    • November 17, 2017
    • Oxygen

    A woman disappears while on her morning jog.

  • S01E19 Collision

    • November 24, 2017
    • Oxygen

    A wife and a mistress vying for the same man end up in a high-speed showdown on a highway; after the man of their dreams, on his motorcycle nearby, gets struck and killed, his wife becomes accused of his murder.

  • S01E20 Heart of Darkness

    • December 1, 2017
    • Oxygen

    A mother, her son and a cousin are kidnapped by terrorists while on vacation; a father turned negotiator tries to end the international hostage drama, but the price of freedom is a huge ransom.

  • S01E21 The Last Dance

    • December 8, 2017
    • Oxygen

    A beloved kindergarten teacher and mother of two finds a new lease on life after shedding hundreds of pounds; when she suddenly vanishes from her home, investigators uncover a connection between her dramatic weight loss and mysterious disappearance.

  • S01E22 Troubled Waters

    • December 15, 2017
    • Oxygen

    A California couple's romantic getaway on a boat turns tragic when the young wife and mother is lost at sea; the case goes cold for years until a model with a checkered past goes undercover to find the truth.

  • S01E23 Tangled

    • December 22, 2017
    • Oxygen

    At first it looked like a home invasion gone wrong at the house Ralph Candelario shared with his second wife, but when police learn the antique dealer's first wife had disappeared, they take a closer look.

Season 2

  • S02E01 Mystery in Orange County

    • February 16, 2018
    • Oxygen

    After a young Army veteran disappears, detectives uncover a cryptic 911 call placed 11 days before she went missing, which exposes a twisted story -- and the truth.

  • S02E02 Deadly Exchange

    • February 23, 2018
    • Oxygen

    A foreign exchange student and soccer player's participation in a dangerous game leads to deadly consequences.

  • S02E03 Under a Full Moon

    • March 2, 2018
    • Oxygen

    When detectives track down the killer of a Las Vegas cocktail waitress and mother, it becomes clear that the investigation has just begun.

  • S02E04 The Face of Evil

    • March 9, 2018
    • Oxygen

    As detectives struggle to find leads in the murder of a college student, the perpetrator strikes again.

  • S02E05 The Interrogation

    • March 16, 2018
    • Oxygen

    Robert Davis, who was convicted of murdering a woman and her son, claims his confession was coerced and tries to prove he is innocent.

  • S02E06 The Deed

    • March 26, 2018
    • Oxygen

    An investigation into the murder of a beloved couple in South Carolina reveals a feud and divides a family.

  • S02E07 Smoke and Mirrors

    • April 2, 2018
    • Oxygen

    When a Chicago woman from a big family goes missing, investigators begin to suspect a man in her life is full of secrets.

  • S02E08 The Hometown Hero & the Homecoming Queen

    • April 9, 2018
    • Oxygen

    After a woman reports a prowler, police find her Olympic bronze medalist husband dead in their backyard.

  • S02E09 Consumed

    • April 16, 2018
    • Oxygen

    When remains are found amid the rubble after a house fire, authorities soon discover the incident was no accident.

  • S02E10 The Client

    • April 23, 2018
    • Oxygen

    Before time runs out, detectives race to find a Little Rock, Ark., realtor who went missing after showing a house.

  • S02E11 The Quiet One

    • April 30, 2018
    • Oxygen

    Dark secrets come to light as officials investigate what happened to a wife and mother of three who was found dead in her bathtub.

  • S02E12 House of Secrets

    • May 7, 2018
    • Oxygen

    A community is left in shock when a Cornell student and star athlete gets caught in the middle of a homicide investigation.

  • S02E13 The House on Sidney's Cove

    • May 14, 2018
    • Oxygen

    The security cameras at the home of a wife and mother of three's home may hold the key to solving the mystery of her disappearance.

Season 3

  • S03E01 Over the Edge

    • June 24, 2018
    • Oxygen

    A romantic interlude on a September night turns tragic when a woman slips over the edge of a cliff and falls to her death; authorities ask whether she fell or was pushed, and it will take 20 years to find the answers.

  • S03E02 Someone Was Watching

    • July 1, 2018
    • Oxygen

    In a plot straight out of an Alfred Hitchcock film, a woman peers into a neighbor's yard and catches a glimpse of something unsettling; she sets into motion a chain of events that will divide a family and a jury.

  • S03E03 Ransom

    • July 7, 2018
    • Oxygen

    A young mom's abduction at gunpoint leads her family and veteran investigators to spend desperate days trying to find out where she was taken, but the suspect and motive both come as a surprise.

  • S03E04 Somebody's Daughter

    • July 14, 2018
    • Oxygen

    Detectives often hit dead ends, but one young detective sees dead ends as starting points; she's beaten the odds in her own life, and, now, she's determined to beat them on the job using her head and her heart.

  • S03E05 The Secret

    • July 21, 2018
    • Oxygen

    Was he missing or was he hiding; he had a wife, a good job, a daughter he loved; investigators were told he also had a secret and they went on an undercover mission to find the truth.

  • S03E06 Strangers on a Train

    • July 28, 2018
    • Oxygen

    She was beautiful, trusting and troubled; the young woman from a prominent family was just turning it around and realizing her promise; then she vanished; when the police seemed unable to find her, her family hatched a plan to solve the mystery.

  • S03E07 Mystery on Blood Mountain

    • August 6, 2018
    • Oxygen

    After four people turn up dead, investigators chase a serial killer who may be reenacting scenes from a horror movie released in the 1980s.

  • S03E08 Blind Justice

    • August 13, 2018
    • Oxygen

    For investigators, motive can be the hardest thing to find. This crime took place in Florida but detectives didn't discover a motive for murder until they looked into a tropical island thousands of miles away, where a festering grudge was born.

  • S03E09 The Great Escape

    • August 20, 2018
    • Oxygen

    Dr. Mark Weinberger, a successful surgeon, hides a secret from his medical staff and from his adoring wife; after a malpractice suit and a death, the doctor vanishes, sparking an international manhunt and a family's fight for justice.

  • S03E10 The Man Who Talked to Dogs

    • August 27, 2018
    • Oxygen

    Celebrity dog trainer Mark Stover and his wife Linda build a thriving business and a beautiful home, but their dream life doesn't last; an affair leads to a bitter divorce, then Mark vanishes in a mystery with the makings of a Hollywood thriller.

  • S03E11 In the Dead of Night

    • September 3, 2018
    • Oxygen

    It was Easter Sunday; the Stock family celebrated at home; hours later, gunshots turned their farmhouse into a house of horrors; there was an arrest but one tiny clue didn't fit; this case was far from being solved.

  • S03E12 A Gathering Storm

    • September 12, 2018
    • Oxygen

    Russel Douglas is a troubled father hoping for a fresh start when he is found shot dead in his car; the investigation turns up few clues until an anonymous tipster sends detectives on an international manhunt to unravel a mystery.

  • S03E13 Vanished

    • September 17, 2018
    • Oxygen

    Young nursing student Michelle Le disappears; something draws her out to her car; as her loved ones launch a very public effort to find Michelle, investigators begin their own methodical search, suspecting she may have been murdered.

  • S03E14 Deadly Connection

    • September 24, 2018
    • Oxygen

    Young women out for a little fun with their friends, Kenia Monge and Lydia Tillman don't know each other, but their stories will become forever intertwined, both of them falling prey to a smooth-talking stranger with a terrifying secret.

Season 4

  • S04E01 Silent Witness

    • July 13, 2018
    • Oxygen

  • S04E02 Suspicion

    • July 20, 2018
    • Oxygen

  • S04E03 Buried Secrets

    • July 27, 2018
    • Oxygen

  • S04E04 Who Killed the Radio Star

    • August 3, 2018
    • Oxygen

  • S04E05 Deadly Conspiracy

    • August 10, 2018
    • Oxygen

    Jack Jessee was a family man who didn't seem to have an enemy in the world, up until the night he was killed; the case goes cold but a relentless detective is determined to catch Jack's killer.

  • S04E06 The Confession

    • August 17, 2018
    • Oxygen

    Soon after Angie Dodge's murder, Christopher Tapp admits he is one of her killers; police capture his confession on videotape, but the victim's mom, who once campaigned to put Tapp in prison, fights for his freedom.

  • S04E07 Poison

    • August 24, 2018
    • Oxygen

    Larry McNabney has a thriving career and a wife he adores, but then vanishes; at the center of the twisted mystery, three lives tangle together in a love triangle, including one who hides a secret identity.

  • S04E08 Written in Blood

    • August 31, 2018
    • Oxygen

    When Karen Pannell is found stabbed to death, a message scrawled in blood seems like a beacon that could lead detectives to her killer; it takes a dogged forensic specialist with a keen eye to unravel the mystery.

  • S04E09 The Night Lynsie Disappeared

    • September 7, 2018
    • Oxygen

    It was a mystery that stumped investigators for years; a college student disappears after a night out clubbing; her mother thought she was at a sleepover with friends and it takes an eagle-eyed detective to find the truth buried in a pile of lies.

  • S04E10 Secrets in the Mist

    • September 14, 2018
    • Oxygen

    A young mom, married to her high school sweetheart, vanishes; did she leave her family to start a new life or was there another reason for her disappearance; decades later her grown son faces a dark truth at the core of this mystery.

  • S04E11 Secrets in the Snow

    • September 21, 2018
    • Oxygen

    She was a dancer who married a dashing photographer; they seemed to have the picture-perfect life -- until the bone-chilling night she disappeared; in a case filled with twists, could the victim help solve her own murder.

  • S04E12 The Night Hannah Hill Disappeared

    • September 28, 2018
    • Oxygen

    A former homecoming queen taking her first steps into adult life is brutally murdered; the investigation centers on two men and a mysterious black bag that seems to come out of nowhere.

  • S04E13 While They Were Sleeping

    • October 5, 2018
    • Oxygen

    It was a brutal and baffling crime: a husband shot dead in his own bed; no one else in the house was hurt, not even his wife, who was sleeping beside him; investigators were suspicious, but there were more surprises in store.

  • S04E14 The Devil and Bobbi Parker

    • October 12, 2018
    • Oxygen

    It's a mystery with a mind-boggling twist; the deputy warden's wife claimed she was kidnapped by an escaped convict and held captive for more than a decade; but was she really a hostage or a willing accomplice.

  • S04E15 The Inside Man

    • October 19, 2018
    • Oxygen

    A convict is offered a deal as tempting as it is dangerous; he must go undercover in a psychiatric hospital to get information from a suspected serial killer in order to win his freedom, but there's no guarantee he'll get out alive.

  • S04E16 Family Affair

    • October 26, 2018
    • Oxygen

    When the wealthy heir to a legendary hotel is murdered, the list of possible suspects is long; he had his share of enemies, and a complicated family; investigators soon learned someone close to the victim was also in danger.

  • S04E17 The Plot Thickens

    • November 2, 2018
    • Oxygen

    It's a true Hollywood whodunit; a show business stuntman is shot four times and left to die; investigators uncover a love story gone wrong and a villain with a dark secret; the most stunning twist of all is what didn't happen.

Season 5

  • S05E01 The Bathtub Mystery

    • October 1, 2018
    • Oxygen

    She was a beaming bride; it was a haunting death; Sarah and Ryan were newlyweds when she drowned in the bathtub; did she die of natural causes or was it deliberate; it took three trials to find the truth.

  • S05E02 Down the Back Staircase

    • October 8, 2018
    • Oxygen

    It all began when a best selling author found his wife at the base of the stairs; the story makes headlines and has been covered for more than a decade; Michael Peterson answers questions.

  • S05E03 Secrets on Hot Springs Drive

    • October 15, 2018
    • Oxygen

    A woman is murdered in a home invasion; her best friend and neighbor is shot the following night; investigators unearth disturbing secrets that suggest the cases may be linked.

  • S05E04 The Promise

    • October 22, 2018
    • Oxygen

    When Cathy Torrez never comes home after work, her family fears the worst; an intensive search ends after her car is found, with her body in the trunk; it take years to get to the truth.

  • S05E05 Infatuation

    • October 29, 2018
    • Oxygen

    A talented, young art student is murdered; the killer left no fingerprints and no DNA; police zero in on three fellow students and, soon, the dark portrait of a killer began to emerge.

  • S05E06 Return to Manitowoc County

    • November 5, 2018
    • Oxygen

    In Wisconsin, Steven Avery and his nephew, Brendan Dassey, are convicted of killing Teresa Halbach in a case that defies easy answers.

  • S05E07 Secrets in Seattle

    • November 9, 2018
    • Oxygen

    Fitness executive Nicole Pietz is married to the man of her dreams, then she goes missing after failing to show up for dinner with her husband and friends.

  • S05E08 The Silhouette

    • November 12, 2018
    • Oxygen

    Debbie Kelly and Lars Itzo make their marriage of opposites work; then, Debbie is shot dead in the dark of night; investigators ask whether her death is a case of mistaken identity or the bloody end to a marriage gone bad.

  • S05E09 The Knock at the Door

    • November 16, 2018
    • Oxygen

    Tara Ord is a beautiful young woman with big dreams, then she vanishes without a trace; it will take years for determined cold case detectives to uncover the long buried clue that blows this case wide open.

  • S05E10 Swept Away

    • November 19, 2018
    • Oxygen

    A young man from small town Indiana heads to Japan where he falls for a beautiful woman; then, they are caught up in one of the biggest natural disasters in history.

  • S05E11 Against All Odds

    • November 23, 2018
    • Oxygen

    A toddler is shot in the head and left for dead; despite the odds, she stuns everyone with her will to survive, while a detective vows to crack the case, no matter how long it takes.

  • S05E12 The Disappearance of Debbie Hawk

    • November 26, 2018
    • Oxygen

    When Debbie Hawk vanishes, her friends and family are left searching for answers; investigators discover that Debbie was planning to divulge secrets and wonder if she has been silenced as a result.

  • S05E13 Deadly Ambush

    • November 30, 2018
    • Oxygen

    A U.S. Air Force captain who is deployed overseas for long stretches of time finds himself caught in the crossfire resulting from a love triangle at home.

  • S05E14 Justice for Bonnie

    • December 3, 2018
    • Oxygen

    When Bonnie Craig is found dead, police collect DNA but it doesn't match anyone in the system; twelve years later, there is a hit but the man is thousands of miles away; turns out, prosecutors would need more than DNA to convict a killer.

Season 6

  • S06E01 The Sting

    • January 5, 2019
    • Oxygen

    Newlywed Dalia Dippolito returns home from the gym to the awful news that her husband had been killed; in a case where almost nothing is as it seems, investigators want to know if Dalia is diabolical or an unwitting pawn in a hoax gone wrong.

  • S06E02 Dark Valley

    • January 12, 2019
    • Oxygen

    When the dashing Gavin Smith vanishes, LA detectives are unsure if they are investigating a crime or a suicide; his wife claims he had gotten lost in drugs and flings; police wonder if the key to finding Gavin is hidden in one of those affairs.

  • S06E03 Black Friday

    • January 18, 2019
    • Oxygen

    Ashlea Harris has no shortage of admirers, so when she is found dead after a suspicious fire consumes her apartment, police are baffled; the fire is no accident but the clues to who killed Ashlea may be up in smoke.

  • S06E04 Out There In the Dark

    • January 25, 2019
    • Oxygen

    Brandy Daniels believes someone is stalking her, then the single mother is found slumped over in her car, shot dead; investigators spend years navigating the twists and turns searching for her killer.

  • S06E05 The Women & Dirty John

    • February 1, 2019
    • Oxygen

    Debra Newell thought she found Mr. Right but her daughters sensed something wrong about John Meehan; they started digging into his past and their search for answers exposed a dangerous con man.

  • S06E06 As Night Fell

    • February 8, 2019
    • Oxygen

    Heidy and Conrad Truman are an enviable couple with a bright future until Heidy is found shot; in the aftermath, fingers are pointed but could be aimed at an innocent person.

  • S06E07 Good & Evil

    • February 15, 2019
    • Oxygen

    When a woman's body is discovered at a trash facility, a detective makes a promise to her mother to get justice; she doesn't know she will come face to face with a serial killer.

  • S06E08 Deadly Trust

    • February 22, 2019
    • Oxygen

    Wealthy residents feel safe in their gated community but it is not safe for one millionaire, murdered in his waterfront home; police investigate but the case grows cold; turns out the key to solving it, or two keys, are right at the front door.

  • S06E09 The Shadow

    • February 28, 2019
    • Oxygen

    The save the date cards had gone out. Angie Ver Huel went to sleep next to her fiancé, Justin Michael, with big dreams but woke up to a nightmare. Someone was running from their bedroom and Justin was dead. Why did the killer target him, sparing her?

  • S06E10 Internal Affairs

    • March 7, 2019
    • Oxygen

    A beautiful, popular graduate student is shot outside her apartment in Durham, North Carolina. Who would want her dead and why?

  • S06E11 The Trap

    • March 14, 2019
    • Oxygen

    It was an affluent neighborhood with tree lined streets. Violent crime was unheard of here until that morning when, under the very noses of the cops, a terrible murder occurred. Investigators found a riddle, a deception, a piece of pure evil.

  • S06E12 Deadly Twist

    • March 21, 2019
    • Oxygen

  • S06E13 Mystery On Lockhart Road

    • March 29, 2019
    • Oxygen

    After finding his wife and two children dead in his garage, a former Indiana state trooper spends 13 years trying to clear his name.

  • S06E14 Family Business

    • April 4, 2019
    • Oxygen

    An explosion in a rice field in Colusa, California kills farm manager Roberto Ayala. But was it an accident or murder?

Season 7

  • S07E01 Devil’s Bathtub

    • May 5, 2019
    • Oxygen

    Craig and Laura Rideout appeared happy but, after a contentious separation revealed an ugly secret, one of them would soon be dead. Clues pointed to four possible killers and left investigators wondering if this murder was all in the family.

  • S07E02 Deadly Circumstances

    • May 10, 2019
    • Oxygen

    It was an unthinkable crime. Brittany Eldridge was nearly nine months pregnant when she was found dead in her apartment. Investigators focused on two men with possible motives.

  • S07E03 A Crack in Everything

    • May 17, 2019
    • Oxygen

    For many, the holiday season is filled with joy but, for the Jennings family, the night before Christmas became a waking nightmare. A gunshot rang out and investigators had to unravel whether a secret lead to a tragic suicide or if this was murder.

  • S07E04 The Night of The New Moon

    • May 24, 2019
    • Oxygen

    Diana Lovejoy and her husband welcomed a baby boy, but then, their marriage crumbled. A bitter custody battle followed. Fearing for her safety, Diane turned to a man skilled in self-defense but, it turns out, someone else was in grave danger.

  • S07E05 Twisted in Texas

    • May 31, 2019
    • Oxygen

    Meghan Verikas had been attracted to Leon Jacob, in part, because as a doctor he saved lives. Now police officers were telling her he was trying to hire a hitman, potentially to take hers. But authorities had a plan of their own.

  • S07E06 Tangled Web

    • June 7, 2019
    • Oxygen

  • S07E07 The Fire Inside

    • June 14, 2019
    • Oxygen

  • S07E08 Stealing Paradise

    • June 21, 2019
    • Oxygen

    A group of adventurous Americans thought they had found paradise. It was a tropical hideaway, the kind of place where people didn't ask a lot of questions about their neighbors, until some of those neighbors started to disappear.

  • S07E09 A Shot in the Dark

    • June 28, 2019
    • Oxygen

  • S07E10 Plot Twist

    • July 5, 2019
    • Oxygen

  • S07E11 Deadly Valentine

    • July 12, 2019
    • Oxygen

  • S07E12 Haunting

    • July 19, 2019
    • Oxygen

  • S07E13 Someone Was Waiting

    • July 26, 2019
    • Oxygen

  • S07E14 A Deadly Path

    • August 2, 2019
    • Oxygen

  • S07E15 Deadly Desire

    • August 9, 2019
    • Oxygen

  • S07E16 Murder in Broad Daylight

    • August 16, 2019
    • Oxygen

  • S07E17 Betrayal of Trust

    • August 23, 2019
    • Oxygen

  • S07E18 Mystery at Ascot Estates

    • August 30, 2019
    • Oxygen

  • S07E19 Broken Bonds

    • September 6, 2019
    • Oxygen

  • S07E20 The Girl With the Red Shoes

    • September 13, 2019
    • Oxygen

  • S07E21 Mystery in Mustang

    • September 20, 2019
    • Oxygen

  • S07E22 What Happened to the Beauty Queen

    • September 27, 2019
    • Oxygen

  • S07E23 Mystery in Payson Canyon

    • October 4, 2019
    • Oxygen

  • S07E24 Along Came Jodi

    • October 11, 2019
    • Oxygen

Season 8

  • S08E01 Graduation Night

    • October 18, 2019
    • Oxygen

    A graduation party ends with a man's death and leaves two teenagers facing a long fight for justice.

  • S08E02 Secrets and Lies

    • October 25, 2019
    • Oxygen

    The fire breaks out before dawn; after the smoke clears, a mother of two young children is found dead; it's the tragic end to a life that held so much promise, but for investigators, it is just the beginning.

  • S08E03 Toxic

    • November 1, 2019
    • Oxygen

    Kevin and Morgan Mengel are happy at first, but when the marriage goes bad, he goes missing; police wonder if he simply left, but a family's relentless pursuit leads to a stunning confrontation and, eventually, the truth.

  • S08E04 Deadly Deceit

    • November 8, 2019
    • Oxygen

    A family mourns the loss of a young mother in a house fire; authorities rule it an accident; years later, there is another accident and second loved one gone; investigating if this just a string of bad luck or the work of a calculating killer.

  • S08E05 Murder on Nantucket Island

    • November 15, 2019
    • Oxygen

    On Nantucket Island, Mass., a couple's connection is instantaneous, but their summer romance takes a tragic turn; it seems like an open-and-shut case, but there's a surprise in store.

  • S08E06 Secrets in Pleasant Grove

    • November 22, 2019
    • Oxygen

    A man makes a frantic call to 911 after finding his wife dead in a bathtub, but the couple's daughters lead police to investigate their father.

  • S08E07 The Killing in Cobb County

    • November 29, 2019
    • Oxygen

    It is a story of obsession that boiled over into a brutal crime. Right away, one woman said she knew what happened. Yet, it took years to bring the alleged killer to trial and the verdict was far from the end of this case.

  • S08E08 A Sister's Search

    • December 6, 2019
    • Oxygen

    Aasha Davis moves to Hollywood with big dreams; her sister Lesley follows for support; Lesley goes missing and Aasha is desperate to find her; in a town built on deception, the police come up with a high-stakes plan to smoke out their suspect.

  • S08E09 Under a Halloween Moon

    • December 13, 2019
    • Oxygen

    It is just before Halloween; Joel Lovelien and his fiancé head to a local bar packed with people in costume; Joel steps outside and walks into a troubling mystery.

  • S08E10 At Close Range

    • December 20, 2019
    • Oxygen

    Keith Reed is a highly-regarded school superintendent; when he doesn't show up at an out-of-town conference, it sets off alarm bells; investigators take a hard look at his love life for clues and make a startling discovery.

  • S08E11 Deep in the Woods

    • December 27, 2019
    • Oxygen

    Kelli Bordeaux is just starting what she hopes to be a long career in the military, but fate has other plans; when she vanishes, friends and family launch a frantic search, but it is a stranger hell-bent on justice who uncovers the ugly truth.

  • S08E12 The Other Side of Paradise

    • January 3, 2020
    • Oxygen

    Sandra Galas was born and raised in paradise; police investigate two men in Sandra's life, but the case goes cold; her father refuses to give up, relentlessly pursuing the truth for more than a decade.

  • S08E13 Deadly detour

    • January 10, 2020
    • Oxygen

    Diane McIver was a successful businesswoman who enjoyed a lavish lifestyle with her husband. Then she was gone. It was a mystery riddled with privilege and power, but investigators needed to answer a crucial question: was this an accident or murder?

  • S08E14 The Threat

    • January 17, 2020
    • Oxygen

    Divorced mother Joan Lockwood is excited about the next chapter in her life, then five gunshots shatter her plans.

  • S08E15 What They Saw

    • January 24, 2020
    • Oxygen

    Detectives believed two young children witnessed the brutal murder of their mother; the prosecution builds their case around what they thought those kids observed, but another version of events may be possible.

  • S08E16 Reckless

    • January 31, 2020
    • Oxygen

    A story of teens, text messages and a convoluted search for the truth; Conrad Roy, who had shared a secret with someone close to him, had vanished.

  • S08E17 The Capture

    • February 7, 2020
    • Oxygen

    Amanda Lindhout was a journalist braving the world's most dangerous hotspots. Then, she became the story. What she endured from her captors was terrifying. Years later they found her again and secret agents put a daring undercover sting into action.

  • S08E18 Inside the Hunt for El Chapo

    • February 14, 2020
    • Oxygen

    For over a decade, El Chapo evaded authorities but one man was determined to catch the infamous kingpin; Former DEA agent Andrew Hogan comes out of the shadows to detail his search and capture with never-before-seen videos and photographs.

  • S08E19 Angels & Demons

    • February 21, 2020
    • Oxygen

    Angel's Landing was a community of free-spirits with Lou Castro at its center; Investigators suspicious of the mysterious deaths happening there; commune members have courageously decided to tell their stories in hopes of helping others.

  • S08E20 The Carrollton Plot

    • February 28, 2020
    • Oxygen

    Churchgoing mom shot at point-blank range in her garage; saving her would take a miracle and investigators want to know if this crime was random or if someone wanted her dead.

  • S08E21 The Man Who Wasn't There

    • March 6, 2020
    • Oxygen

    In the still of the night, strangers armed with knives destroy the lives built by a hardworking man and his doting wife.

  • S08E22 One Moment

    • March 13, 2020
    • Oxygen

    A young mother who is pregnant with her second child is gunned down on her way to work; her sisters become amateur detectives to help find her killer.

  • S08E23 Deah Trap

    • March 20, 2020
    • Oxygen

    Pizza deliveryman Brian Wells robs a bank with a bomb strapped around his neck, launching one of the strangest cases ever investigated by the FBI.

  • S08E24 A Villainous Plan

    • March 27, 2020
    • Oxygen

    A bank executive tries to rob his own bank; investigators think it's an inside job but eventually learn the crime is connected to a spree carried out by men who managed to keep their identities secret, praying on people who did the opposite.

Season 9

  • S09E01 The Disapperance of Sandi Johnson

    • April 3, 2020
    • Oxygen

    Sandi Johnson always put her kids first. When she vanished without a word, her loved ones were frantic. Police discovered dark secrets in Sandi’s marriage and several men in her life. Which one of them had something to hide?

  • S09E02 12 Minutes on Elm Street

    • April 24, 2020
    • Oxygen

    Cousins Nick Brady and Haile Kifer were best friends; to their family, they seemed like typical teenagers; turns out, the cousins had a secret that led to tragedy.

  • S09E03 In the Middle of the Night

    • May 1, 2020
    • Oxygen

    After college student Angie Samota was stabbed to death, police had no shortage of suspects; a crucial clue narrowed their list to one name, but it would be years before technology and a tenacious friend came together to help unravel this mystery.

  • S09E04 Missing Marie

    • May 8, 2020
    • Oxygen

    Single mother Marie Singleton falls hard for Andre Jackson, a single dad raising his two kids; the couple marries and seems happy, then Marie vanishes and investigators discover secrets that may be related to her undercover job.

  • S09E05 Deadly Intent

    • May 15, 2020
    • Oxygen

    Connie and Larry Hoagland built a life centered on faith and family. Then, a vicious attack threatened it all. Someone wanted Connie dead. But who? After a bomb exploded underneath her car, secrets started to emerge.

  • S09E06 A Bronx Tale

    • May 22, 2020
    • Oxygen

    Eric Glisson was convicted of a murder he swore he didn't commit. To prove his innocence, he had to find the real killers, unearthing their long-held secrets. It would take years for the truth to be revealed, but could it set him free?

  • S09E07 Deadly Denial

    • May 29, 2020
    • Oxygen

    Raven Abaroa swooped into Vanessa Pond's life and stole her heart. Then Vanessa discovered her dream man had a tragic past. His first wife had been killed. Was he a grieving widower or somehow involved? Dark secrets were about to be spilled.

  • S09E08 Mystery in South Beach

    • June 5, 2020
    • Oxygen

    Wendy Trapaga is a beaming young bride, and just four days after saying "I do," she is found dead in a parking lot; investigators discover the newlyweds were keeping secrets, and there was also someone else involved with a secret.

  • S09E09 Circle of Friends

    • June 12, 2020
    • Oxygen

    In high school, Christian, Erika and Pedro formed a tight trio: best friends who excelled at academics and shared big dreams. When they went to college something changed. It started with a secret romance and ended in tragedy.

  • S09E10 Bad Blood

    • June 19, 2020
    • Oxygen

    Nikki Whitehead was a single mom working toward a brighter future. She found love, moved into a nice neighborhood and enrolled in college. Then, tragedy struck. Police searched for answers but one thing was certain. This crime was personal.

  • S09E11 The Farm

    • June 26, 2020
    • Oxygen

    Bill and Shirley Carter had raised a family on their sprawling farm in America's heartland. As their golden years approached, tragedy struck and the seeds of a mystery pitting one family member against another had been planted.

  • S09E12 Evil Was Waiting

    • July 3, 2020
    • Oxygen

    Vince Goslyn's military career was thriving and he had built a beautiful family; one night, the father of five was gunned down.

  • S09E13 Everything She Knew

    • July 10, 2020
    • Oxygen

    Amber Belken was a young woman with big dreams. Then, she was found murdered. Was Amber the victim of a robbery gone wrong or was this brutal crime personal? Three people knew the truth. Two of them would risk their lives to reveal it.

  • S09E14 The Landing

    • July 17, 2020
    • Oxygen

    Heather Elvis was a young woman eager to make her mark on the world. Then she disappeared. Investigators discovered a love triangle and thought they had their motive. But there was a question the Elvis family still needed answered: Where was Heather?

  • S09E15 Unspeakable

    • July 24, 2020
    • Oxygen

    Sandra and Jamie Melgar were high school sweethearts who were celebrating their 32nd anniversary. Then, the intimate evening turned deadly. To crack the case, investigators had to uncover the secrets of an illusion worthy of the great Houdini.

  • S09E16 The Watcher

    • July 31, 2020
    • Oxygen

    Lauren Giddings was smart, charismatic and a newly-minted law school graduate. She had dreams of becoming a public defender, then she was brutally murdered. Her killer tried to pull off the perfect crime, but a secret recording exposed the truth.

  • S09E17 Unraveled

    • August 7, 2020
    • Oxygen

    For an agonizing four days, the fear was paralyzing. A city was under siege. Six people had been gunned down, but how were the killings linked? A retired detective connected the dots, initiating the manhunt for a man with a gun and a grudge.

  • S09E18 The Figure in the Garage

    • August 14, 2020
    • Oxygen

    He was a single dad, a former firefighter dedicated to helping others. When he was found dead in his garage, police needed help. A neighbor's security camera footage revealed a hooded figure, but who was it? Someone was hiding a deadly secret.

  • S09E19 A Cold December Morning

    • August 21, 2020
    • Oxygen

    Devoted to her faith and her five children, Chanin Starbuck was recently divorced and starting life over. After she was brutally murdered, the investigation revealed secrets. The case divided a family. Could a jury unite on the truth?

  • S09E20 In Cold Blood

    • August 28, 2020
    • Oxygen

    He was a firefighter used to rescuing others. Now he was the one in desperate need of help. He found his wife bloodied and motionless on the bedroom floor. Could he save her in time? It was a chilling crime with no shortage of potential suspects.

  • S09E21 Vendetta

    • September 4, 2020
    • Oxygen

    Beloved by his colleagues, Mark Hasse was a fearless prosecutor. He worked to put criminals behind bars and making enemies was a hazard of the job. He didn't know it, but a killer was lurking and Mark wasn't the only target

  • S09E22 Deadly House of Cards

    • September 11, 2020
    • Oxygen

    After Johnny Altinger vanished, the trail of clues led investigators to a young director. Detectives worried that the case was a hoax staged by a master storyteller. Turns out, the script was darker than anyone knew.

  • S09E23 Footprint in the Dust

    • September 18, 2020
    • Oxygen

    Susie Casey was an outgoing mother of four going through a divorce. She was twenty steps from her front door when she vanished. Police were investigating three men in her life. The unbelievable thing? They were all there the morning of her murder.

  • S09E24 Death in the Driveway

    • September 25, 2020
    • Oxygen

    Melvin Roberts was larger than life. Former mayor. Prominent attorney. He even had a street named after him. When cops found him dead in his driveway, it marked the start of a tough case. In addition to friends, Melvin Roberts had plenty of enemies.

  • S09E25 Toxic Relations

    • October 2, 2020
    • Oxygen

    Linda Curry had it all: looks, a great job and a brilliant husband. When she got sick, doctors were stumped. Then, she died and police were as puzzled as the doctors, but not her close friends and family. They just needed someone to listen.

  • S09E26 Secrets of the Snake River

    • October 9, 2020
    • Oxygen

    Rachel Anderson was a vivacious single mom whose world revolved around her children. When she failed to show up for work one day, her kids panicked. Might her disappearance have anything to do with those terrifying phone calls she’d been receiving?

  • S09E27 A Killing in Cottonwood

    • October 16, 2020
    • Oxygen

    Karen and Mark Duenas had a special marriage. Teenage sweethearts, the couple managed to keep the romance alive even after raising five boys together. Then a perfectly ordinary night ended in murder, a tragedy that would test the bonds of family.

  • S09E28 The Unusual Suspect

    • October 23, 2020
    • Oxygen

    It was in the still of the night when it started. A cold-blooded serial killer, lurking in the woods, peeping through windows and stalking for his next victim. It's a tale that would be hard to believe, if it didn't really happen.

  • S09E29 The Mystery Man

    • October 30, 2020
    • Oxygen

    At first, Mischele Lewis' new boyfriend seemed almost too good to be true. She would learn her dream man did have secrets, but was he just playing spy games with her? A single mom goes on a dangerous mission of her own to find out the truth.

  • S09E30 The Fugitive Millionaire

    • November 6, 2020
    • Oxygen

    A tech giant living in paradise. His neighbor found dead. Then, suddenly, the entrepreneur extraordinaire was on the run, taunting authorities and tantalizing the press. It was a riveting game of hide-and-seek, but were police chasing the right man?

  • S09E31 Deception

    • November 13, 2020
    • Oxygen

    Wendy Ratte, a free-spirited mother of two, was missing. Police investigated: a bitter feud with a neighbor, a possible serial killer. Or, did danger lurk closer to home? It'd take an elaborate, undercover mission to finally crack this case.

  • S09E32 The Comic Book Murder

    • November 20, 2020
    • Oxygen

    Barbara George was murdered in her comic store on Friday the 13th. The case went cold and her husband moved away, starting a new life with a new wife. But then there was a new prosecutor with an old connection to the case, and he wanted it solved.

  • S09E33 Up in Flames

    • November 27, 2020
    • Oxygen

    Brett and Vashti were high school sweethearts now busy raising two boys. Then a fire ripped through their home. In the ashes, investigators found a mystery. What happened that night was no accident.

  • S09E34 The Motive

    • December 4, 2020
    • Oxygen

    He was a force on the football field. Then, the charming athlete was shot. His killer left few clues and the case sat cold until someone spilled a secret. What police asked the tipster to do next would make her a target. How much would she risk?

  • S09E35 The Mansion on Ocean Boulevard

    • December 11, 2020
    • Oxygen

    It was a riveting mystery with two puzzling deaths, both at the same mansion. First, a boy was found near the bottom of the stairs and police ruled it an accident. Then, there was an apparent suicide at the guest house. What was really happening?

  • S09E36 Evil Intent

    • December 18, 2020
    • Oxygen

    Jessica Nelson was a hardworking single mom. Then, one morning, she was found dead in her home. The discovery left her family shattered and their ordeal had just begun. Turns out, the killer was someone they knew.

  • S09E37 Secrets on the Emerald Coast

    • December 25, 2020
    • Oxygen

    Marie Carlson was radiant but behind the glow she hid a darkness. For a while, Marie drifted but, then, a pastor and his wife welcomed her into their lives. It was a spiritual awakening which made Marie’s disappearance all the more mysterious.

  • S09E38 Something Wicked

    • January 1, 2021
    • Oxygen

    Skylar Neese was everything her parents hoped for, but their world turned upside down when she vanished without a trace. At first, police thought she ran away but hints on social media pointed to a more sinister reason for her disappearance.

  • S09E39 Secrets of Lake Seminole

    • January 8, 2021
    • Oxygen

    Mike Williams went out duck hunting before dawn and never returned. Authorities declared his death an accidental drowning, but his mother believed Mike had been murdered. After a dramatic secret came to light, police believed she might be right.

  • S09E40 On the Outskirts of Town

    • January 15, 2021
    • Oxygen

    Halee Rathgeber enjoyed taking care of others, so it made sense that she hoped to become a nurse. What made no sense was that someone wanted her dead. The crime scene told detectives little, but a jaw-dropping moment in the courtroom spoke volumes.

  • S09E41 The Ultimatum

    • January 21, 2021
    • Oxygen

    Michele and Lloyd Neurauter were devoted to their three daughters, even after divorce. When Michele was found dead in her home, police suspected suicide. Then, they uncovered a deadly betrayal too twisted to be true. Except that it was.

  • S09E42 The Good Husband

    • January 28, 2021
    • Oxygen

    A forty-year-old man was found dead in his car. Initially, there was no obvious medical explanation for Tom’s death but when police uncovered a love triangle, this tragedy quickly turned into a tangled mystery.

  • S09E43 Mystery on the Mississippi

    • January 7, 2021
    • Oxygen

    A mother of four dies unexpectedly on Valentine’s Day. Everyone in town assumes she died of natural causes until a detective suspects someone has gotten away with murder. But would a jury agree?

  • S09E44 Double Lives

    • February 11, 2021
    • Oxygen

    A single mother of three vanishes and potential suspects emerge when police discover she may have been living a double life. Where is Paige Birgfeld?

  • S09E45 A Dangerous Man

    • February 19, 2021
    • Oxygen

    An investigation into the mysterious murder of a businessman exposes a tangled web of evil that extends from the Pacific Northwest into the North Dakota oil patch.

  • S09E46 The Mystery on Bridle Path

    • February 25, 2021
    • Oxygen
  • S09E47 The Accused

    • March 4, 2021
    • Oxygen

    The crime was big news in a small town. Police were swift to key on a suspect. He was a local hero. It was a hunt for justice but was it also the hounding of an innocent man?

Season 10

  • S10E01 The Devil in Disguise

    • March 13, 2021
    • Oxygen

    Frank Rodriguez was a Navy vet who dedicated his life to helping needy children, not a guy with many enemies. Figuring out who would want him dead was a challenge. How he died was also a mystery investigators needed to solve to catch his killer.

  • S10E02 While He Was Sleeping

    • March 20, 2021
    • Oxygen

    When Eric Somuah was found shot in his bed, it was hard to imagine who would want the outgoing salesman dead. One dogged detective refused to give up. His investigation put him on a path filled with twists, turns and an ending few saw coming.

  • S10E03 The Root of All Evil

    • March 24, 2021
    • Oxygen

    Marc Despain was a married father of two and a successful real estate appraiser. He was busy building a life, until his ended all too soon. Investigators wondered if money was a motive, or maybe a family rift. His loved ones wanted answers.

  • S10E04 Deadly Betrayal

    • April 1, 2021
    • Oxygen

    Lisa and Kevin Knoefel seemed like the perfect couple. They were busy raising three children, and then welcomed a foster child too. When Sabrina admitted to killing Lisa, no one could understand why. This case was about to get very complicated.

  • S10E05 Lethal Weapon

    • April 8, 2021
    • Oxygen

    A successful, seemingly healthy doctor collapses at home and is rushed to the ER, leaving friends and colleagues puzzled.

  • S10E06 Secret Lives

    • April 22, 2021
    • Oxygen

    Missing wife. Grieving husband. Turns out, both had secrets. Jen Ramsaran vanished just before Christmas and detectives needed to know if her online life held the key to this mystery or if the answer was closer to home.

  • S10E07 What Lies Beneath

    • April 29, 2021
    • Oxygen

    Investigators go to unexpected depths to solve the mystery of missing Lynn Friend, a devoted mother who had wedding plans when she vanished.

  • S10E08 Fatal Attraction

    • May 6, 2021
    • Oxygen

    A top doctor known for saving lives found himself fighting for his own after he was poisoned. Investigators immediately started looking into the women in his life, wondering if one relationship was toxic.

  • S10E09 Shining Star

    • May 13, 2021
    • Oxygen

    Chiquita Tate was growing her reputation as a tenacious defense attorney but her promising career was cut short when she was murdered. Police had a challenge. At work, she dealt with tough clients, and at home, she was going through a rough time.

  • S10E10 Queen of the County

    • May 20, 2021
    • Oxygen

    The Harkey name was famous for pecan harvesting in Texas; the matriarch, with a powerful grip on the family fortune, went missing, so investigators focused on the family; in fact, the plot was more tangled than the branches of a pecan tree.

  • S10E11 After Midnight

    • June 3, 2021
    • Oxygen

    A college freshman is found brutally beaten, a crime scene so bloody police can't identify the victim, but identifying the killer was easier -- and his motivation for the killing becomes the foundation for his defense.

  • S10E12 Miami Heat

    • June 10, 2021
    • Oxygen

    Police probe the shooting of father and his infant son on the streets of Miami -- while the child survives, the father does not.

  • S10E13 Someone Was Out There

    • June 17, 2021
    • Oxygen

    One murder in broad daylight. Then another brutal attack almost exactly a year later. Police discovered a chilling connection between the victims, and many feared they had a serial killer on their hands. It was a race to connect the dots.

  • S10E14 Secrets at Sunshine Motel

    • June 24, 2021
    • Oxygen

    Vern Holbrook seemed to have it all: A thriving estate company and a beautiful family. When this beloved patriarch failed to show up at a meeting with his daughter-in-law, she was concerned Vern was not delayed, that it was something far worse.

  • S10E15 Indiscretion

    • July 1, 2021
    • Oxygen

    It was a violent and bizarre crime scene: #1 scrawled next to the lifeless body. The victim’s boyfriend had an alibi and the case went cold. Then, a DNA hit. But investigators couldn’t figure out the link between two people separated by 1,500 miles.

  • S10E16 The Evil to Come

    • July 8, 2021
    • Oxygen

    She was a wealthy, beloved socialite in the suburbs of New York City and an unlikely target for such a brutal murder. Police immediately zeroed in on the most likely suspect but solving this crime wouldn’t be easy or quick.

  • S10E17 True Lies

    • July 15, 2021
    • Oxygen

    A woman is brutally murdered in her bed and her husband and son both immediately begin pointing fingers at each other after two rapid fire calls are made to 911.

  • S10E18 Finding Savanna

    • July 22, 2021
    • Oxygen

    It was a custody battle, then baby Savanna was gone. The mystery of her whereabouts spanned two decades. Solving it took investigators nearly 10,000 miles around the world, driven by a determined dad trying to learn what happened to his daughter.

  • S10E19 Mystery on Sunrise Drive

    • July 29, 2021
    • Oxygen

    Real estate developer Gary Triano lived large; his murder was a bold statement; there were whispers of a mob connection, an angry investor, or a mad ex, and the mystery took nearly two decades to unravel.

  • S10E20 The Wire

    • August 5, 2021
    • Oxygen

    Lynne Knight was a vibrant young nurse whose love of adventure made her stand out; her murder haunted detectives for decades.

  • S10E21 The Long Road

    • August 12, 2021
    • Oxygen

    A chance meeting at a nightclub ends in murder; those involved in the gruesome crime thought they had buried the secrets of the past, but a relentless team of investigators will stop at nothing to unearth the truth.

  • S10E22 Jagged

    • August 19, 2021
    • Oxygen

    Heather Bogle worked a graveyard shift to support her daughter, then she went missing; her family grew frustrated with the investigation; some officials found themselves under scrutiny, but Heather was able to help solve her own murder.

  • S10E23 Stone-Cold

    • August 25, 2021
    • Oxygen

    Nick popped the question and Kristy said yes; they were busy planning their future when she found him dead in the bedroom; police questioned spurned lovers and office enemies before a tip from Nick's brother helped reveal the true killer.

  • S10E24 The Early Shift

    • September 1, 2021
    • Oxygen

    Michelle Mockbee met her husband at the warehouse where they both worked; it was also where she met an untimely death; security footage led police to a suspect, but when it appeared justice had been served, a scandal turned the case upside down.

  • S10E25 Prairie Confidential

    • September 8, 2021
    • Oxygen

    Angila Wilder was a busy mom, working to make her dream of becoming a nurse come true, then she was murdered; at first, investigators thought it looked like an open-and-shut case, but it would take an elaborate sting to uncover the truth.

  • S10E26 Noises in the Night

    • September 15, 2021
    • Oxygen

    Emma Walker was a fun-loving teen with her whole life ahead of her, then she was shot dead in her bed; detectives were facing a tough investigation.

  • S10E27 Before the Storm

    • September 22, 2021
    • Oxygen

    When a recently divorced mom vanished, the search to find her was halted by a hurricane; as the floodwaters receded, investigators discovered the same deadly storm that slowed their investigation was about to flush out her killer.

  • S10E28 The Alibi

    • September 29, 2021
    • Oxygen

    Private First Class Karlyn Ramirez had a job she loved and a baby she adored. Then, she was shot dead in her home. Her killer thought he’d covered his tracks, but investigators uncovered a plot so devious, it defied imagination.

  • S10E29 Suspicion in Silver City

    • October 6, 2021
    • Oxygen

    Cassy Farrington, a mother of two, was found dead in her bathtub; Cassy's parents are determined to solve the mystery.

  • S10E30 After the Storm

    • October 13, 2021
    • Oxygen

    A woman is found strangled after a powerful storm; police focus on a fiancé and a co-worker with a crush until they hear from a flood of women who've had chilling encounters with a stranger; It seemed a predator was stalking the women of Austin.

  • S10E31 The Secrets of Cottonwood Creek

    • October 20, 2021
    • Oxygen

    People went on a hike, pausing at a perfect spot for pictures; but something went wrong, and the frigid currents below took a life; investigators wondered if they also swept away a secret.

  • S10E32 Unthinkable: The Menendez Murders

    • October 27, 2021
    • Oxygen

    In a case made for Hollywood, they were camera ready; Erik and Lyle Menendez were convicted of murdering their own parents more than two decades ago; now hear chilling new details about the gruesome double slaying from the brothers themselves.

  • S10E33 The Match

    • November 3, 2021
    • Oxygen

    Diane Marcell walked into her home and found her daughter covered in blood, the attacker said she was next; a single drop of blood was the key to finding him, but it took nearly a decade to unlock its secrets.

  • S10E34 Finding Sarah Goode

    • November 10, 2021
    • Oxygen

    Single mom Sarah Goode went missing after a night out with friends; her family was determined to find her; police turned up four possible suspects and two tantalizing clues; the killer left a signature.

  • S10E35 The Last Day

    • November 17, 2021
    • Oxygen

    After Erin Corwin told her husband she was scouting hiking trails in Joshua Tree National Park, she suddenly vanished -- police quickly uncovered a steamy love triangle and a mystery with a deep pool of potential suspects.

  • S10E36 The Valentine's Day Mystery

    • November 24, 2021
    • Oxygen

    He was a wealthy doctor with a perfect life and the perfect wife; then, he found her dead on Valentine's Day; she was beloved but did have enemies; investigators followed a bloody trail of evidence, leading to a big courtroom twist.

  • S10E37 Mean Girls

    • December 1, 2021
    • Oxygen

    When Ricky Cowles and his girlfriend moved in together, her best friends moved in too; at first, it was like a big sleep over, then Rickie was found shot dead; his killer would let a secret slip, but turns out, he was keeping more than one.

  • S10E38 Bitter Pill

    • December 15, 2021
    • Oxygen

    Rosie and Yazeed Essa seemed to have an ideal life, two beautiful children, no financial worries and a loving extended family; a fatal fender bender shattered it all; investigators discovered her marriage was full of secrets.

  • S10E39 Taken

    • January 5, 2022
    • Oxygen

    Matt Landry was a drummer who never missed a beat. Then he vanished. His family and the police were determined to work together.

  • S10E40 The Night Brianna Vanished

    • January 12, 2022
    • Oxygen

    When a college student vanishes, investigators launch a massive manhunt and quickly discover she is not the kidnapper's first victim; police are inundated with leads before an anonymous tipster divulges a secret that helps crack the case.

  • S10E41 In Plain Sight

    • January 26, 2022
    • Oxygen

    Amber Dubois disappeared in the San Diego area and the search turned up nothing. Then, a year later, Chelsea King disappeared in a neighbouring town. Investigators were determined to find out if the two cases were connected.

  • S10E42 The Prussian Blue Mystery

    • February 23, 2022
    • Oxygen

    Young mom Brigida Uto loved running and chasing her toddler around, and when her health suddenly failed, doctors had to unravel a medical mystery to save her life; then, the FBI joined the confounding case and uncovered a sinister plot.

  • S10E43 11 Minutes

    • March 2, 2022
    • Oxygen

    Madison Holton’s parents had reached their wit’s end. They called a family meeting to confront their rebellious teen. When it was done, two of them were dead and police were left with a puzzling mystery.

  • S10E44 She Didn't Come Home

    • March 9, 2022
    • Oxygen

    nvestigators didn’t know if Kathy Heckel was a missing person or murder victim. The case grew cold until, decades later, a new detective dusted off the old files. They couldn’t catch the elusive suspect then, but he hoped to solve the mystery now.

  • S10E45 Facing The Music

    • March 16, 2022
    • Oxygen

    Twenty-five-year-old Christy Mirack always wanted to be a teacher; she is just getting her start when she is murdered; it takes police 25 years to find her killer; turns out, he is hiding in plain sight the whole time.

  • S10E46 Before Midnight

    • March 23, 2022
    • Oxygen

    Financial adviser Pam Zimmerman was everything to her children, then she was gone, shot dead in her office; detectives focus on three men in Pam's life, wondering if the motive was professional or personal.

  • S10E47 The Secret Keepers

    • March 30, 2022
    • Oxygen

    Randy Baker battles addiction as a young man, then finds his calling as a counselor later in life; when Randy is found dead, investigators wonder if someone from his past put an end to his future, or if trouble was closer to home.

  • S10E48 Evil Was Watching

    • April 6, 2022
    • Oxygen

    Michella and Jenni were from the same town and both loved riding bikes. They did not know each other but were forever connected by their unsolved murders. Someone else their age grew up to become a detective. Now, she was trying to solve their cases.

  • S10E49 The Target

    • April 13, 2022
    • Oxygen

    As a love triangle between a podiatrist, his estranged wife and his new girlfriend took shape, a luxury car salesman got a surprising visit from a beautiful former customer. She was not looking to buy a car. She wanted someone murdered.

  • S10E50 The Disappearance of Laci Peterson

    • April 20, 2022
    • Oxygen

    After following the case for more than fifteen years, Dateline delivers a comprehensive report with rarely seen interrogation video, new insight from prosecutors, and surprising details from the other woman, Amber Frey, who helped uncover the truth.

  • S10E51 Secrets in the Smoky Mountains

    • April 27, 2022
    • Oxygen

    Bob McClancy was a beloved detective. When his death was ruled a suicide, loved ones were suspicious. United by grief, his widow and good friend found themselves falling in love. Then Bob’s son started asking questions and uncovered a secret.

  • S10E52 Mystery in Big Sky Country

    • May 4, 2022
    • Oxygen

    When a handsome veterinarian is found dead in a small Montana town, it launches a mystery that remains unsolved for years. After nearly two decades, investigators think they can solve it, but know convincing a jury will be no easy task.

  • S10E53 Before Dawn

    • May 11, 2022
    • Oxygen

    Lisa Techel was newly married and pregnant when a shotgun blast ended everything. Police questioned the neighbour, who had a gun and a grudge. There were whispers that her husband had a secret. The case tested three juries then took one final twist.

  • S10E54 Scorned

    • May 18, 2022
    • Oxygen

    Dave Kroupa and Cari Farver begin a casual fling; Cari disappears, but Dave receives disturbing texts from her; the mystery links three women with one man in a case of jealousy, secret identity and murder.

  • S10E55 The Halloween Party

    • May 25, 2022
    • Oxygen

    Chelsea had her costume ready; she was dressed as Poison Ivy, but she never imagined she would encounter evil that night.

  • S10E56 The Mystery of Effingham County

    • June 1, 2022
    • Oxygen

    Publicly they were a prominent family highly respected for their success. But privately a jury heard something else. It was case that pitted father against son, husband against wife and brother against brother.

  • S10E57 Something Sweet

    • June 8, 2022
    • Oxygen

    On a warm August day, Ray Kotomski quenched his thirst with a cool drink. Kotomski was dead within hours. Investigators had to figure out what killed the happily retired Pennsylvania man, and also whether this was even a crime at all.

  • S10E58 A Perfect Spot

    • June 15, 2022
    • Oxygen

    They were a married couple meeting for a secret Valentine’s Day rendezvous. The secluded spot became a crime scene when Richard Schoeck was found shot dead there. Turns out, the rendezvous wasn’t the only secret in their lives.

  • S10E59 Friends Until Death

    • June 22, 2022
    • Oxygen

    The death of a 19-year-old music lover had been a disturbing mystery in her small Wisconsin town until investigators uncovered her shocking killer during a parallel investigation into another violent crime in a nearby town.

  • S10E60 One Small Dose

    • June 29, 2022
    • Oxygen

    As 17-year-old Tara Fitzgerald lay dying in the basement of her Minnesota home, her parents were asleep in their own bed not far away.

  • S10E61 Deadly Devotion

    • July 6, 2022
    • Oxygen

    An Army captain, back from serving abroad, is found dead in her El Paso home. The news stuns her tight-knit military community. Her husband has an alibi, but what about her family and friends? Andrea Canning reports on a case with many twists and turns.

  • S10E62 The House on Badger Lane

    • July 13, 2022
    • Oxygen

    With three lovely children and a picture-perfect home, Jason and Julie Harper were living the American dream. Then came the day Jason’s murder was discovered. Police found the perpetrators quickly, but figuring out why would be much more difficult.

  • S10E63 Without A Trace

    • July 20, 2022
    • Oxygen

    Carrie Olson had a heart of gold and a new man in her life. Then, she went missing. Loved ones launched a desperate search for answers, but investigators wondered if one of them was hiding a dark secret.

  • S10E64 A Place on the Sand

    • July 27, 2022
    • Oxygen

    Sabine Buehler moves to an island off the coast of Florida for her own slice of paradise; when she vanishes, friends know she hasn't left on her own; finding out what happened to her leads police down a long and winding path in the sand.

  • S10E65 The Night Before Halloween

    • August 3, 2022
    • Oxygen

    It takes a special eye to spot the thing that's out of place at a crime scene; in this case, that thing looks so insignificant, no one even knows what it is or what it means; it takes a team of determined investigators almost two decades to find out.

  • S10E66 The Mystery on Albion Road

    • August 10, 2022
    • Oxygen

    A young woman was found in the middle of the road, nearly dead. With little evidence to go on, investigators hoped to find out what happened from the victim herself. The problem was, she couldn't remember.

  • S10E67 As Darkness Fell

    • August 17, 2022
    • Oxygen

    Some who knew the couple in this story saw two people in love. Others saw a marriage in trouble. They loved hunting and were both excellent shots. So good, they rarely missed, whatever the target.

  • S10E68 Haunting Images

    • August 24, 2022
    • Oxygen

    A young mother was killed and her family hoped for quick justice. As the years went by with no arrest, that hope faded. What didn't fade: small traces of DNA. Nearly three decades later, that evidence was about to reveal an ugly truth.

  • S10E69 The Beauty and the Beast Mystery

    • August 31, 2022
    • Oxygen

    When a young, physically fit woman dies suddenly, her friends and family are told it was a freak accident in a gym. Equipment can malfunction, but so can relationships.

  • S10E70 Deadly Exposure

    • September 7, 2022
    • Oxygen

    Hundreds of Americans die every year from accidental carbon monoxide poisoning; according to police in Ohio, one of those deaths was no accident; if anyone knew how to use a deadly gas, it was their prime suspect.

Season 11

  • S11E01 The Informant

    • October 5, 2022
    • Oxygen

    An old case is blown wide open by a confession years after a man is convicted of murdering Heidi Allen, last seen working at a store to earn cash for college.

  • S11E02 Rear Window

    • October 12, 2022
    • Oxygen

    Corey Parker's murder jolts a sleepy seaside community with the chilling realization that a killer is walking among them.

  • S11E03 Hinckley: Diary of a Dangerous Mind

    • October 19, 2022
    • Oxygen

    Pages from the diary of John Hinckley Jr., who was arrested in 1981 for trying to assassinate President Ronald Reagan, are revealed.

  • S11E04 The Stranger

    • October 26, 2022
    • Oxygen

    She yearned to make it in Hollywood. Instead, Brittany Tavar made headlines when she vanished. Investigators had plenty of leads - a handsome boarder, the friend turned enemy, or they wondered if the free spirit could have left on her own.

  • S11E05 The Dream House Mystery

    • November 2, 2022
    • Oxygen

    Realtor Lindsay Buziak thought she'd landed dream clients when a mystery couple said they wanted to buy a million-dollar home. What seemed like a golden opportunity turned deadly when Lindsay was murdered in the ritzy home.

  • S11E06 Vengeance

    • November 9, 2022
    • Oxygen

    They were a couple who seemed made for each other. Seemona Sumasar thought she had met Mr. Right, but her instincts proved wrong. Nothing was as it seemed.

  • S11E07 Miles From Nowhere

    • November 16, 2022
    • Oxygen

    In the California mountains, a young father calls 911 to report that he had been in a shoot-out with a car full of strangers. With one man dead and two others injured, authorities wonder if this was self-defense or something else.

  • S11E08 Manner of Death

    • November 23, 2022
    • Oxygen

    It was a mystery from day one: A young father’s life cut short. Matt Podolak's death was puzzling. The word poison kept coming up. Matt’s brother embarks on a long quest for the truth.

  • S11E09 The Feud

    • November 30, 2022
    • Oxygen

    Fences make good neighbours, but this one triggered a deadly fight. Only two men were there and the man who shot first told investigators his story. However, the crime scene was telling another story.

  • S11E10 The Long Road to Freedom

    • December 7, 2022
    • Oxygen

    Two Tulsa, Okla., brothers fight for more than 20 years to prove their innocence after they are convicted for separate murders.

  • S11E11 Life Inside

    • December 14, 2022
    • Oxygen

    Lester Holt spends two nights locked up and embedded inside the largest maximum-security prison in America.

  • S11E12 Deadly Secret

    • January 4, 2023
    • Oxygen

    Before the Menendez brothers, the Bobbitts or even O.J., Pamela Smart was television's first true-crime fascination; Smart's husband was found murdered and when police began to investigate, they discovered that she was keeping a big secret.

  • S11E13 Endgame

    • January 11, 2023
    • Oxygen

    Rod Covlin calls 911 after his young daughter finds his estranged wife unconscious in the bathtub; soon after her mysterious death, family members would come to suspect what happened was no accident.

  • S11E14 The Waiting Car

    • January 18, 2023
    • Oxygen

    When college student Mackenzie Lueck vanishes from a park in Salt Lake City, her friends are dedicated to finding answers; the search makes national headlines, and the investigation reveals a secret that stuns even her closest friends.

  • S11E15 The Woman With No Name

    • January 25, 2023
    • Oxygen

    Police are perplexed when they find the body of a young woman but are unable identify her; with the help of amateur investigators and new DNA technology, a dogged investigator finds her killer and her identity.

  • S11E16 The Vow

    • February 1, 2023
    • Oxygen

    Two tenacious sisters are determined to fulfill a promise to investigate the mystery surrounding their mother's death

  • S11E17 At the Bottom of the Pool

    • February 15, 2023
    • Oxygen

    When a model and up-and-coming YouTube celebrity is found dead, police question her husband to see if he can provide any answers.

  • S11E18 Unbreakable

    • February 22, 2023
    • Oxygen

    The behind-the-scenes story of Rebecca Musser vs. Warren Jeffs, one of the FBI's most notorious fugitives; Rebecca opens up about life in the Fundamentalist Church of Jesus Christ of Latter-Day Saints, and why she decided to leave.

  • S11E19 The Death of Gianni Versace

    • March 1, 2023
    • Oxygen

    Gianni Versace's longtime partner, Antonio D'Amico, speaks about the murder of the fashion icon; Versace's murder came amid a monthslong manhunt for Andrew Cunanan, who was accused of committing four other murders throughout the U.S. in 1997.

  • S11E20 Secrets of the Desert

    • March 8, 2023

    Linda Watson was a single mom raising a beautiful daughter when she disappeared. Then, suddenly, Linda's mom was gone too, along with another friend. Police were convinced the three cases were connected, but unraveling the mystery took years.

  • S11E21 While She Was Sleeping

    • March 15, 2023

    The murder of socialite Nancy Phister sent shockwaves through Aspen; she was an A-lister in a city known for its opulent ski resorts and famous residents. Nancy had a long list of friends, but she also had foes.

  • S11E22 Trouble at the 7-11 Ranch

    • May 10, 2023

    Friends think something isn't right after the mysterious disappearance of a Colorado rancher and spend years fighting for answers.

  • S11E23 The Phony Rockefeller

    • May 17, 2023

    The con artist known as Clark Rockefeller, a high society hustler with a talent for spinning lies, is suspected of murder; to unravel the mystery, cold-case detectives start to retrace his steps through a decades-old trail of deceit.

  • S11E24 A Family's Story

    • May 24, 2023

    Two years after the disappearance of his wife, Josh Powell kills his two sons and himself. Watch Josh's last in-depth TV interview. Plus, a 911 dispatcher discusses the emergency call placed by a social worker.

  • S11E25 Deadly Liaisons

    • May 31, 2023

    She was a small-town girl from rural Wisconsin; he was a Chicago superstar, a hometown hero with the legendary Bears; together, they were expecting their first child, but no one was expecting their tale to end in the deadly way that it did.

  • S11E26 Kidnapped

    • June 7, 2023

    A young woman is abducted in Ecuador and, as her family and investigators raced to save her, she plots to save herself; her daring plan involves a little something hidden at the bottom of her bag, but time is running out.

  • S11E27 Lost in Sin City

    • June 14, 2023

    A small-town girl moved to Las Vegas where she found a new career and new love. Soon after, however, she vanished and within days police would find her body. Finding who killed her would be a tougher mystery to crack.

  • S11E28 The Family Secret

    • June 21, 2023

    It is common for long-haul truck driver Lloyd Ford to be gone for stretches, and when he disappears, it doesn't raise many flags; at least two people know where he is, and they guard the secret for 27 years, but the truth is about to be revealed.

  • S11E29 Bringing Brooke Home

    • June 28, 2023

    Brooke Wilberger was 19 when she was kidnapped; her family begged for her return, but months passed before police got their first break, a similar attack more than 1,000 miles away.

  • S11E30 The Pink Skirt Plot

    • July 5, 2023

    The murder of a young businessman in the Old San Juan district of Puerto Rico marks the start of a 15-year-long hunt to find the killer.

  • S11E31 Night of the Summer Solstice

    • July 12, 2023

    When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if his interest in an alternative religion is connected to his murder.

  • S11E32 Murder in the House of Gucci

    • July 19, 2023

    Details expose how the Gucci family was undone by jealousy, backstabbing and, ultimately, an act of murder. Insiders close to the fashion empire speak out about the murder of a prominent family member.

Season 12

  • S12E01 The Investigation

    • January 10, 2024
    • Oxygen

    A Philadelphia murder reveals decades of misconduct in the city's criminal justice system and raises questions about whether police caught the right person.

  • S12E02 The Story of Somebody

    • January 17, 2024
    • Oxygen

    When Courtney Copeland is shot and killed, his mother investigates whether police detectives did enough to try to solve the case.

  • S12E03 Recipe for Murder

    • January 24, 2024
    • Oxygen

    Keith Morrison reports on a dramatic undercover operation in Palm Beach, Fla., to save a wife and mother who has no idea she is in danger.

  • S12E04 The Case of the Missing D.A.

    • January 31, 2024
    • Oxygen

    A district attorney in Pennsylvania went missing in 2005 under mysterious circumstances seven years after he investigated sex-abuse allegations made against Penn State football coach Jerry Sandusky.

  • S12E05 After the Party

    • February 7, 2024
    • Oxygen

    Four years after a 28-year-old dies after hosting a New Year's Eve party, a jury must decide if it was suicide or murder.

  • S12E06 Robert Durst: The Lost Years

    • February 14, 2024
    • Oxygen

    Friends of accused murderer Robert Durst talk about his arrest in New Orleans and his previous whereabouts over 30 years.

  • S12E07 Twisted Tale

    • February 21, 2024
    • Oxygen

    When a woman returns two days after being reported abducted, authorities believe it's a hoax until a similar crime forces them to take another look.

  • S12E08 The Summer of Manson

    • February 28, 2024
    • Oxygen

    New interviews with insiders reveal how career criminal Charles Manson convinced his followers to kill innocent victims and deliver him the fame he craved.

  • S12E09 Dreams and Nightmares: The Meek Mill Story

    • March 6, 2024
    • Oxygen

    Rapper Meek Mill discusses controversies surrounding the criminal justice system, the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse, and other topics.

  • S12E10 Broken Circle

    • March 13, 2024
    • Oxygen

    An investigation of abuse allegations against one of the owners of the religious reform school Circle of Hope.

  • S12E11 The Rise and Fall of Oscar Pistorius

    • March 20, 2024
    • Oxygen

    Oscar Pistorius shoots and kills his girlfriend just eight months after competing in the London Olympics, telling police that he believed she was an intruder, and he was acting in self-defense.

  • S12E12 Mystery on Horseshoe Drive

    • March 27, 2024
    • Oxygen

    A man is shot and killed while picking up his daughter for a court-ordered visit.

  • S12E13 Jonestown: An American Tragedy

    • April 3, 2024
    • Oxygen

    An in-depth look at the journalists who exposed the dangers of cult leader Rev. Jim Jones.

  • S12E14 Shattered Bonds

    • April 10, 2024
    • Oxygen

    A car belonging to a missing man erupts in a blaze, leading to clues regarding his whereabouts.

  • S12E15 The People v. OJ Simpson: What the Jury Never Heard

    • April 17, 2024
    • Oxygen

    It was called the trial of the century and, decades after the polarizing case, questions remain; hear answers and insights through interviews done over the years, rare footage and revealing conversations with key players who offer new details.

  • S12E16 The Call

    • April 24, 2024
    • Oxygen

    A dancer is murdered in her Virginia home; after interviewing a series of suspects, detectives realize the case is much more complicated than previously thought.

  • S12E17 Secrets by the Bay

    • May 1, 2024
    • Oxygen

    A San Diego mother suddenly vanishes in 2014; nearly two years later, her body is found in San Diego Bay, but medical examiners say she has only been dead for a month or two.

Season 13

  • S13E01 The Jacket

    • June 5, 2024

    When 18-year-old Anjelica AJ Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal.

  • S13E02 House of Horrors

    • June 12, 2024

    When Nichole Payne and her son Taylor are found dead in their home, investigators wonder if this is a murder-suicide or if someone wants it to look that way. The mystery takes nearly a decade to unravel.

  • S13E03 What happened to Anton Black

    • June 19, 2024

    When 19-year-old Anton Black dies while being taken into police custody, the community seeks justice. A yearlong Dateline investigation looks at missed warning signs and the officer at the centre of the case.

  • S13E04 Out of the Shadows

    • June 26, 2024

    The investigation into a newlywed's murder starts with a widow and ends with a possible serial killer.

  • S13E05 Murder in Kitchen one

    • July 3, 2024

    Detectives in Portland, Oregon, discover a puzzling connection between the 2018 murder of chef Dan Brophy and a blog post written years earlier, titled How to Murder Your Husband.

  • S13E06 Far from Spider Lake

    • July 10, 2024

    A 40 year old Minnesota woman is shot to death in her bed while her husband and teenage daughter are home, leaving investigators to wonder who would want her dead.

  • S13E07 Devil's Bargain

    • July 17, 2024

    Lead investigators and family members speak about the murder of Colorado mother Kelsey Berreth, whose disappearance made national headlines after she was last seen grocery shopping on Thanksgiving in 2018.

  • S13E08 Before Daylight

    • July 24, 2024

    A college student is found murdered in a residential neighbourhood; as police search for the truth, they are stunned to learn that one of their own might be involved.

  • S13E09 A Wanted Man

    • July 31, 2024

    The mystery of a surgeon's whereabouts remains unanswered for five years after he disappears while on vacation with his wife, leaving behind financial ruin and mounting malpractice suits.

  • S13E10 Evil Paid a Visit

    • August 7, 2024

    The episode is about the rape of Donna Palomba, a Connecticut mother, in her home, and the years-long battle for justice that followed. The episode explores the challenges faced by victims of crime and the efforts of investigators to bring perpetrators to justice

  • S13E11 A Monster at Large

    • August 14, 2024

    When Susan Woods doesn't show up for work, she is soon discovered dead in her bathtub. As police search for answers, they find a trail of victims

  • S13E12 The Premonition

    • August 21, 2024

    A Pennsylvania man is convinced his messy divorce put a target on his back; when he's found stabbed to death, his friends and family realize he was right all along in predicting his own gruesome murder.

  • S13E13 The Phone Call

    • August 29, 2024

    Kathleen Schroll makes a phone call right before her death where she identifies her killer, which leads to an arrest; two trials and 12 years later, authorities begin to wonder who was really the victim.