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All Seasons

Season 1

  • S01E01 The Killer Nearby

    • May 31, 2010
    • Investigation Discovery

    A 40-year-old mother disappears from her home in the middle of the night, and police chase multiple leads before coming up empty. Almost a year goes by until they investigate a very unlikely suspect - a high-school neighbor with an affinity for older women. Then, a teenage boy is murdered in his home and detectives believe his campaign against teen gang activity led to his death. But the community is horrified when police arrest one of their "model citizens" for ordering the hit.

  • S01E02 Betrayal of Trust

    • June 21, 2010
    • Investigation Discovery

    A husband and wife are found shot to death on a deserted stretch of highway. Phone records help detectives uncover a murder-for-hire plot that went horribly wrong, and discover that one of their victims is also their prime suspect. Next, when a 20-year-old woman is found murdered near a freeway exit ramp, the residents of San Diego demand justice. But when a trusted police officer is identified for the crime, the community is shaken to its core.

  • S01E03 A Mother's Conviction

    • June 28, 2010
    • Investigation Discovery

    A young boy is killed in the middle of the night, and his own mother is convicted of the crime. Years later, an author investigates a convicted murderer for her upcoming novel, and gets a confession that re-opens that case file and eventually, sets the mother free.

  • S01E04 Will To Murder

    • July 5, 2010
    • Investigation Discovery

    A delivery man guns down an affluent couple, with their only son barely escaping. The investigation reveals a greedy relative with a motive too close to home. And when a recent victim of burglary is found shot to death in her car, the investigation uncovers a killer the victim trusted without question - the police officer who came to her aide.

  • S01E05 Murder in Biloxi

    • July 12, 2010
    • Investigation Discovery

    A judge and his wife are murdered in their Biloxi home. In a city rife with corruption, the suspects range from common criminals to powerful politicians.

  • S01E06 Monster in Spokane

    • July 19, 2010
    • Investigation Discovery

    A serial killer plagues Spokane, Washington, claiming the lives of more than a dozen victims. The reexamination of an old clue finally helps investigators zero in on the murderer.

  • S01E07 Millionaire's Murder

    • July 26, 2010
    • Investigation Discovery

    The murder of a wealthy widow sends shock waves through a small town. The victim's own records are the key to finding the killer.

  • S01E08 Missing Executive

    • August 2, 2010
    • Investigation Discovery

    When high-ranking oil executive Sidney Reso is kidnapped, an intensive manhunt turns up few clues. Cryptic letters and phone calls send investigators racing to catch the kidnappers, hoping to bring Reso home alive.

  • S01E09 Burned

    • August 9, 2010
    • Investigation Discovery

    A series of California fires puts investigators on the hunt for a serial arsonist. After years of dogged investigation, an unpopular theory points to a disturbing culprit.

  • S01E10 Lovers and Liars

    • August 16, 2010
    • Investigation Discovery

    A young couple is gunned down on a lover's lane in Georgia; A husband and wife are shot to death in their suburban Chicago home before the killer sets the house on fire.

  • S01E11 Overkill

    • August 23, 2010
    • Investigation Discovery

    In rural Wisconsin, a local eccentric is murdered in his home; A serial killer targets the elderly in Lake Elsinore, California.

  • S01E12 Happy Face Killer

    • August 30, 2010
    • Investigation Discovery

    A mild-mannered grandmother accuses her boyfriend of the murder of a local woman. Five years later, someone else claims responsibility for the crime and the murders of six other women.

  • S01E13 Cold Blooded

    • September 6, 2010
    • Investigation Discovery

    A young woman vanishes when a flat tire forces her to pull over; Keeping an eye on his neighbor's property brings a man face to face with his killer.

Season 2

  • S02E01 Never Came Home

    • August 14, 2011
    • Investigation Discovery

    In 1996, teenager Joey Martin leaves home through a bedroom window to join friends for beers and to catch a glimpse of a rare comet that was due to pass through the Northern sky, but he disappears. Police do not find any concrete leads up until 2008, when a new detective uncovers a shocking story.

  • S02E02 Getting Even

    • August 21, 2011
    • Investigation Discovery

    In 1985, when welder Danny Paquette is killed in his front yard by a long-distance rifle shot, there is no shortage of suspects. Lots of people hated Danny. But ultimately the solution falls much closer to home than anyone expected.

  • S02E03 Little Lost Girl

    • August 28, 2011
    • Investigation Discovery

    When 10-year-old Katie Collman is murdered in a small Indiana town, a shocking confession catapults this crime into national news. Was Katie murdered to keep her quiet about something she saw? An unusual clue leads investigators to an unexpected conclusion.

  • S02E04 Who Wanted Them Dead?

    • September 4, 2011
    • Investigation Discovery

    In 2004, affluent Coral Gables couple John and Susan Sutton are attacked at home. Susan doesn't survive. Investigators look at an adulterous business partner and an angry client before mobile phone records lead to a shooter with ties to the family.

  • S02E05 Hiding In Plain Sight

    • September 11, 2011
    • Investigation Discovery

    FBI office manager Melissa Mooney is found murdered in her home. After taking a hard look at several promising suspects, the case goes cold. Two years later, a reexamination of the case leads to an unlikely killer who was hiding in plain sight.

  • S02E06 Terror in the Gulfport

    • September 18, 2011
    • Investigation Discovery

    1984: Terrifying screams pierce the Florida night. A day later, a woman's body is found, stabbed to death. Detective Larry Tosi faces a host of suspects, but when the killer is caught, no-one will be more shocked than Tosi himself.

  • S02E07 Where's Becky

    • September 25, 2011
    • Investigation Discovery

    "Went 2 Talk 2 Rob." These are the last words 15-year-old Becky Stowe writes before she slips out, never to be seen again. Did she run away, or did her boyfriend Rob make her disappear? Two years go by before the truth about Becky is finally revealed.

  • S02E08 Blood on the Badge

    • October 2, 2011
    • Investigation Discovery

    In 1985, an LA County Sheriff is gunned down in his vehicle. Investigators drill down the slain cop's list of enemies with no results. In 1999, a multiagency task force shines a new light on the old case, illuminating a culprit who defies belief.

  • S02E09 Cop Killer

    • October 9, 2011
    • Investigation Discovery

    When San Diego Police Officer Kirk Johnson is found shot to death in his service vehicle, evidence points to a fellow law enforcement officer. Detectives reluctantly begin to investigate their own when an astonishing tip leads to an unlikely killer.

  • S02E10 Death of a Freshman

    • October 16, 2011
    • Investigation Discovery

    Soon after Mardi Gras in Mobile, Alabama, an 18-year-old freshman is found shot to death in the woods behind campus. Detectives take a hard look at several suspects, but 30 years go by before a stunning confession cracks the case.

  • S02E11 Murder in the Mansion

    • October 23, 2011
    • Investigation Discovery

    When tycoon Andrew Kissel is stabbed to death in his Greenwich mansion, detectives are faced with a long list of suspects. Practically everyone who knew the victim has a motive for murder. Ultimately, a secret money trail reveals the guilty party.

Season 3

  • S03E01 The Perfect Family

    • February 26, 2012
    • Investigation Discovery

    In the dark of night, a Pennsylvania family are brutally murdered in their home. Only their 20-year-old daughter survives. Investigators wonder, who would kill this seemingly perfect family? The answer will shock their community for years to come.

  • S03E02 A Monstrous Act

    • March 4, 2012
    • Investigation Discovery

    In 1994, 20-year-old Missy Grubaugh is killed in her apartment. Police focus on a list of suspects-a thieving former roommate, a threatening coworker, a sex offender boyfriend. In the end, a late-night call to the victim brings the case to a close.

  • S03E03 Murder on Miguel Lane

    • March 11, 2012
    • Investigation Discovery

    In 1985, the homicide of three Arlington, TX teens shocks the community. Investigators focus on an ex-boyfriend, teen satanists, and a drug addict with a grudge, but a shaky alibi and forensic evidence lead to a killer with close ties to the victims.

  • S03E04 Innocent Bystander

    • March 25, 2012
    • Investigation Discovery

    In 2002, a Brunswick, NY couple are found murdered in their apartment. Girlfriend Arica is an innocent bystander, but boyfriend Sam is a drug dealer with dangerous enemies. In the end, a bloody print at the scene leads to a killer who defies belief.

  • S03E05 Clairemont Killer

    • April 1, 2012
    • Investigation Discovery

    In 1990, the murders of six females put San Diego investigators on the trail of a vicious serial killer. As all suspects come up clear, reports of a man loitering outside a health club bring the case to a shocking conclusion.

  • S03E06 Left for Dead

    • April 8, 2012
    • Investigation Discovery

    In 1997, Sarasota couple, Henry Caneva and Janet Scott, are attacked in their home. Henry doesn't survive. Investigators work down a list of suspects, but it will take an unrelated domestic disturbance call to bring the case to a close.

  • S03E07 Murderous Intentions

    • April 15, 2012
    • Investigation Discovery

    A day after Katrina hits the Gulf Coast, a Lafayette man is shot by masked burglars. Police work through a list of suspects, to no avail. Three years later, crime scene evidence leads investigators to the opportunistic culprits.

  • S03E08 Death of an Angel

    • April 22, 2012
    • Investigation Discovery

    In the summer of 1992, 18 year-old Angel Ormstrom leaves to run errands and never comes home. Did she run away, or was she made to disappear? Five months later, a gruesome discovery brings the case to a tragic conclusion.

  • S03E09 Hotel Homicides

    • April 29, 2012
    • Investigation Discovery

    Between 1993 and 1997 three women are murdered in three Des Moines, Iowa hotels. Hampered by the sheer volume of suspects and the infancy of forensic testing, it takes seven years of dogged investigation to bring a sadistic serial killer to justice.

  • S03E10 Elemental Murder

    • May 6, 2012
    • Investigation Discovery

    When a hardworking waitress ingests a lethal dose of poison, a nationwide panic ensues. Everyone is a suspect, until one of the most bizarre sting operations in Florida history leads detectives to the implausible poisoner

  • S03E11 Deadly Denial

    • May 13, 2012
    • Investigation Discovery

    When a Kentucky woman is murdered in her home, detectives theorise the victim may have known her attacker. Investigators scrutinise family, friends, and boyfriends old and new before a shaky alibi and forensic evidence point to the killer.

  • S03E12 Random Act of Madness

    • May 20, 2012
    • Investigation Discovery

    A Maine father of four is found shot to death after going out for a beer. Is he the victim of a family squabble? Did he run afoul of local crooks? Years later, an unrelated cold case and a guilty conscience help bring the killer to justice.

  • S03E13 Bathtub Killer

    • May 27, 2012
    • Investigation Discovery

    In 1996, two women are murdered in the same Texas apartment complex. Authorities follow every lead but the case goes cold. Three years later, DNA evidence, and a seemingly unrelated crime lead authorities to the sadistic "Bathtub Killer."

Season 4

  • S04E01 Pure Evil

    • September 9, 2012
    • Investigation Discovery

    In 1995, the naked body of a Chicago woman is found dumped on a Wisconsin highway. Was she the victim of a lover's spat turned deadly? Did she run afoul of local criminals? Investigators uncover the shocking truth behind the victim's tragic end.

  • S04E02 The Perfect Suspect

    • September 16, 2012
    • Investigation Discovery

    Between 1993 and 1996, the rape and murder of three Arkansas women puts local detectives on the trail of a sadistic killer. In their hunt for the truth, investigators learn that nothing in these cases is cut and dry.

  • S04E03 Wolf in Sheep's Clothing

    • September 23, 2012
    • Investigation Discovery

    In 1995, eight-year-old Maria Piceno of Lemoore, CA, is abducted near her home. When her body is recovered, the search for a missing girl turns into a hunt for a vicious killer. Could one woman's searing memories be the key to a shocking truth?

  • S04E04 Blood Trail

    • September 30, 2012
    • Investigation Discovery

    In 1999, Theresa Wesolowski of Germantown, WI is found with 46 stab wounds. Unraveling the complex mystery, investigators find a tiny clue that finally nails the killer, hiding in plain sight.

  • S04E05 Mother's Day Murders

    • October 7, 2012
    • Investigation Discovery

    In 1985, a young military wife and two of her three little girls are viciously murdered in their home. In a twisted case filled with unusual suspects, the man who gets convicted goes free. But nothing is what it seems.

  • S04E06 Gruesome Discovery

    • October 14, 2012
    • Investigation Discovery

    In 1994, the brutalised body of a young mother is found in a 55-gallon trash barrel. Did she get caught in a love triangle, or did a coworker's obsession go to far? When the shocking truth is untangled, a vicious killer faces final justice.

  • S04E07 A Bike Ride to Murder

    • October 21, 2012
    • Investigation Discovery

    In 1991, the brutalized body of a San Diego girl is found in a weed-choked canyon. Could a close encounter with a church-going couple reveal a dark secret and the identity of a child killer? Detectives unearth a shocking truth no one can believe.

  • S04E08 Murder on the Menu

    • October 28, 2012
    • Investigation Discovery

    In April, 2004, the dismembered body of a chef is found in trash bags along a highway. Detectives grill everyone from an estranged wife to a blade-happy sous-chef. Finally, the bones give investigators the twisted answer to a bloody puzzle.

  • S04E09 Triple Threat

    • November 11, 2012
    • Investigation Discovery

    In June, 1993, a California mother-of-two is found strangled in her home. Was she silenced by her estranged husband? An obsessed coworker? A fledgling serial killer? Undaunted, a veteran detective uncovers evidence that brings a killer to justice.

  • S04E10 City Under Siege

    • November 18, 2012
    • Investigation Discovery

    In 2006, a 20-year-old female is brutally gunned down while walking home from her shift at a Scottsdale, AZ nightclub. Could her death be connected to a violent shooting spree plaguing the area? A tip reveals the gunman's shocking identity.

  • S04E11 Killings in Kentucky

    • November 25, 2012
    • Investigation Discovery

    On a winter morning in 1993, a beloved veterinarian and his wife and son are viciously gunned down in their rural Kentucky home. Investigators leave no stone unturned as the bitter truth behind this tragic, triple-slaying is revealed.

  • S04E12 No Mercy

    • December 2, 2012
    • Investigation Discovery

    In 2001, a mother of triplets is found strangled in her Puyallup, Washington home. Was she the victim of dangerous obsession, or a classic love triangle? As investigators piece together the victim's final moments, a shocking killer is revealed.

  • S04E13 Maritime Murder

    • December 9, 2012
    • Investigation Discovery

    In 1982, a Naval Officer dies from a mysterious illness. When toxicology reports reveal he was poisoned, Naval Investigators sift through a ship of thousands, and countless theories before the truth behind the victim's painful death is revealed.

Season 5

  • S05E01 Deadly Forest

    • March 31, 2013
    • Investigation Discovery

    Seventeen-year-old Michele 'Missy' Avila is an attractive, popular high school student from the Los Angeles suburb of Arleta, CA. On October 1, 1985, Missy leaves home to hang out with friends at a nearby park, but by day's end, she has yet to return. Three days later, hikers discover Missy's battered body in the Angeles National Forest. With a close-knit family and plenty of friends, investigators wonder, who had motive to murder this lovely, well-liked girl? As the investigation ensues, detectives run through a network of classmates, rivals, love interests and troublemakers in their search for the culprit. Did Missy cross paths with a dangerous crowd? Was she the victim of some secret grudge? Years of dogged investigation are spent before a break in the case finally exposes the shocking truth behind Missy's murder.

  • S05E02 Christmas Mourning

    • April 7, 2013
    • Investigation Discovery

    In late December of 1988, 36-year-old Beverly Eller is found brutally murdered in her apartment in Griffin, Georgia. The crime scene is shocking, but the killer left few clues behind. Investigators learn everything they can about Beverly, sifting through countless tips and rumours in search of a break. By all accounts, Beverly planned to have dinner with her boyfriend on the night of her murder. Did a lovers' spat turn deadly? Was Beverly the latest victim of a serial murderer plaguing the area? After years without an arrest, a critical piece of evidence surfaces that ties an unlikely suspect to the crime. Dedication and good police pay off as investigators unravel the bizarre chain of events that led to Beverly's tragic murder.

  • S05E03 Burning Fury

    • April 14, 2013
    • Investigation Discovery

    On Oct. 24, 1988, fire fighters discover the stabbed and brutalised body of 29-year-old Robert Haugen in his burnt-up apartment in Sunset Beach, CA. In spite of the blaze, physical evidence is recovered from the scene. By all accounts, the victim was a well-liked local with ties to the community, but the vicious nature of the crime suggests a killer with a serious grudge. Did Robert run afoul of some local drug dealers, or was he the victim of someone closer? Nearly two decades later, a claim of abuse in Las Vegas reveals a connection to Robert's murder. Finally, a surprising culprit with a sadistic dark side is brought to justice.

  • S05E04 Driven to Murder

    • April 21, 2013
    • Investigation Discovery

    On a cold February night in 1992, the body of Maryland businessman J. Schuyler 'Sky' Alland is found on a remote stretch of federal land. He's been shot, execution-style, and his luxury sedan is missing. Due to the location, the US Park Police is assigned to the case. Who had motive to murder the self-made millionaire? Was it a crime of passion, or a professional hit? Veteran detective Tim Squires follows a trail of clues up and down the eastern seaboard, encountering a cast of shady characters, all with secrets to hide. Dogged investigation unravels a series of escalating lies that drove one individual to commit murder.

  • S05E05 Phantom Predator

    • April 28, 2013
    • Investigation Discovery

    In 1992, St. Louis, Missouri is terrorised by a serial rapist targeting the city's south side. Physical evidence is collected from multiple victims, but after hundreds of DNA tests for comparison, investigators are no closer to catching their culprit. A multi-agency task force follows up on hundreds of leads, interviewing peeping toms, sex offenders, and even law enforcement officers in hopes of rooting out the sexual predator. As years pass and investigators exhaust every lead, more victims come forward. Finally, in 1998, a concerned citizen reports a suspicious man fleeing in a white van. It's the break investigators have been waiting for. Within a week, the frenzied search for the notorious South Side Rapist leads to an unlikely culprit that no one saw coming.

  • S05E06 Deathbed

    • May 12, 2012
    • Investigation Discovery

    In January of 1972, US Postal worker and part-time bouncer Gerald Jackson is found brutally murdered in his San Diego apartment. His identification, car and stereo are missing, and evidence suggests the victim was attacked in his sleep. Was Gerald the victim of a robbery gone wrong, or did someone bear a deadly grudge? The investigation heats up when Gerald's missing car and stereo turn up in a town near the Mexican border, but there isn't enough to warrant an arrest. In 2008, old evidence and new forensic technology brings the cold case back to life. More than three decades after his tragic murder, Gerald Jackson's killer is finally brought to justice.

  • S05E07 The Deacon's Demise

    • May 19, 2013
    • Investigation Discovery

    In 1992, a church deacon from Upland, CA is found murdered in Tijuana. Did a secret double life lead to the death of this married father of four? Years later, a fresh look at the case helps investigators unravel the complex plot to murder the deacon.

  • S05E08 Sin City Slaying

    • May 26, 2013
    • Investigation Discovery

    On the night of March 9, 1992, 52-year-old Martha Doney is discovered in her Las Vegas home, assaulted and brutally stabbed. Homicide detectives work around the clock to find justice for the single mother of three. Could the killer be someone close- the ex-husband who shared a tumultuous relationship with the victim, or the hot-tempered boyfriend who left town within hours of the crime? Was Martha the victim of a robbery gone wrong, or was an act of kindness used as a ruse for murder? Investigators believe they know the answer, but without solid evidence, no arrest is made. Years later, modern technology breathes new life into the investigation, bringing the case to a surprising conclusion.

  • S05E09 Manufacturing Murder

    • June 2, 2013
    • Investigation Discovery

    In December of 1997, the bodies of three men and one woman are discovered in a Bartow, Florida manufacturing plant. One victim is a partner in the factory. The other three are the adult children of a second partner. All were shot, execution-style. The investigators are left to wonder; was this a robbery gone horribly wrong, or was there a more personal motive at play? In the months prior, multiple employees had been fired. They all had axes to grind with management, but was it enough to commit quadruple homicide? Or was this a random act of violence by a local bar fly who seems to know a little more than he should about the crime? After months of investigation, a crucial alibi crumbles, revealing an intricate murder plot and its devious mastermind.

  • S05E10 Little Boy Lost

    • June 9, 2013
    • Investigation Discovery

    In April of 1985, 11-year-old Christopher Alan Brown goes missing from his father's home in Flint, Michigan. As family and the community at large launch a full-scale search for the missing boy, investigators consider every possible scenario. Did he run away of his own free will, or was he snatched off the street by sexual predator on the prowl? Three weeks after his disappearance, Alan's body is found in the nearby Flint River. Some believe an accidental drowning is the cause, but the boy's mother and a dedicated investigator see things differently. Years later, a mother's tireless pursuit of justice leads to the discovery of a crucial clue, and to the devastating truth behind her son's death.

  • S05E11 When Evil Strikes

    • June 16, 2013
    • Investigation Discovery

    In October of 2004, family and co-workers grow concerned when 32-year-old factory worker, Jonathan Blackwell goes missing from his North Carolina home. Hopes are high for a safe return until the former marine's car is found torched in a remote field. Shifting gears from their missing persons case, investigators dig into Blackwell's life in search of a potential killer. Did the son of Blackwell's ex-girlfriend harbour a secret grudge? Did rumours of an affair drive an angry husband to exact unwarranted revenge? After countless interviews and a mountain of tips, a surprising witness may hold the key to Jonathan Blackwell's sudden disappearance.

  • S05E12 The Last Resort

    • June 23, 2013
    • Investigation Discovery

    In July of 2000, 63-year-old Leonard Houda is doused with a cooler of acid in a grocery store parking lot. After suffering agonising burns over more than half his body, he dies in the hospital 11 days later. Investigators are left to wonder, what could have prompted such a vicious attack in broad daylight? Prior to his untimely death, Leonard was manager of a small beachside hotel in Lauderdale-By-The-Sea, Florida. Was there a connection between the attack and the recent acts of vandalism on the hotel property? Was the assault payback for some unpaid debt? Detectives must contend with bum tips, false identities, and a motley crew of eccentric characters before the shocking mastermind behind the attack is revealed.

  • S05E13 Dangerous Fortune

    • June 30, 2013
    • Investigation Discovery

    In 2005, fortune teller Ha Jade Smith and her adult daughter Anita Vo are the victims of a brutal double homicide in their Westminster, CA home. Investigators wonder, which was the primary target? Was daughter Anita targeted by a jilted lover, or was Ha Jade the prey of an angry client from her fortune telling business? Both victims were found with white paint covering their head and hands. Could this be the macabre calling card of a ritualistic serial killer? After weeks of investigation, detectives follow a trail of clues that leads to a cold-blooded culprit.

Season 6

  • S06E01 Vanished in Reno

    • January 12, 2014
    • Investigation Discovery

    In January of 2008, 19-year-old Brianna Denison goes to sleep on a friend's couch. The next morning, she's gone. A bloody pillow found at the scene suggests the beautiful college sophomore has been abducted, but no ransom note ever comes. When a week long search finally finds her strangled body in an open field, police must determine if she's been killed by an ex-boyfriend or complete stranger. Until the mystery is solved, investigators must consider every citizen a suspect. After months of interviews and separating fact from rumour, detectives use forensic science and persistent police work to zero in on a cold-blooded killer.

  • S06E02 High School Homicide

    • January 19, 2014
    • Investigation Discovery

    In 1989, Indianapolis, IN high school student Amy Weidner is brutally killed while she stays home sick from school. Items from her home are stolen, but police believe Amy wasn't the victim of a burglary-gone-bad. They suspect this was a targeted, vicious murder. But who want this popular, honour student dead?

  • S06E03 Brute Force

    • January 26, 2014
    • Investigation Discovery

    In 1987, the idyllic Kentucky town of Central City is shocked when the beaten body of Corrinna Mullen is found in the trunk of her car. The brutal crime strikes particularly close to home since the 20-year-old worked at police headquarters. Was the young mother simply in the wrong place at the wrong time or did her job with the police make her a target?

  • S06E04 Murder in Room 348

    • February 9, 2014
    • Investigation Discovery

    When business traveller Greg Fleniken is found dead in his hotel room, all signs point to a heart attack. Then an autopsy reveals that, despite any obvious bruising, he's been beaten to death. Who inflicted the bizarre injuries that claimed Greg's life? How they committed the deadly attack without being seen or heard has police baffled?

  • S06E05 Wicked Impulse

    • February 16, 2014
    • Investigation Discovery

    In September of 1997, Topanga, CA is devastated by the brutal murder of local ranch-owner, Jean Schwartz. As a 26-year resident, Jean was a beloved fixture of the close-knit community, making the search for her killer all the more challenging. Could one of her neighbours be capable of such a brutal act, or had the violence of nearby Los Angeles invaded the idyllic, mountain enclave?

  • S06E06 Death of Innocence

    • February 23, 2014
    • Investigation Discovery

    Kenny Conrick was just eight years old when he was abducted, brutalised and murdered in Gary, Indiana in 1979. Who would want this innocent, gentle third-grader dead? Police quickly look at his mother's live-in boyfriend but when he passes a polygraph, detectives embark on a decade-long search for Kenny's killer.

  • S06E07 Hometown Homicide

    • March 2, 2014
    • Investigation Discovery

    On January 17, 1980, in the desert community of Hemet, CA, a local businessman comes home to a nightmare. His new wife, Elizabeth Crossman, has been brutally raped and murdered in their home. The heinous crime speaks to an act of rage, but the scene suggests a robbery gone wrong. Could the culprit be the stranger seen lurking near the Crossman's home or one of the near-by construction workers?

  • S06E08 Stone Cold Killer

    • March 9, 2014
    • Investigation Discovery

    In March of 2000, the body of 28-year-old Alaskan Native Genevieve Tetpon was found wrapped in a sleeping bag and dumped on the side of the road. At first, police believe she's the latest victim of a serial rapist-killer who's been targeting Native women. But there's one piece of evidence that has detectives wondering if there isn't something more to this case.

  • S06E09 Blood in the Water

    • March 16, 2014
    • Investigation Discovery

    The evidence at the crime scene suggests that 15-year-old Nanine Grimes fought bravely as her attacker stabbed her to death. Her desperate struggle provides Thorton, CO police with a sample of the killer's blood. But the limits of 1980s forensic science leaves detectives struggling to determine who would want Nanine dead?

  • S06E10 Sinister Secret

    • March 23, 2014
    • Investigation Discovery

    On a cool September evening in Lander, WY, 13-year-old Teri Jo Bradish disappears from a group home for at-risk youths. The next morning, her nude, defiled body is found abandoned off the side of a highway. Who took the vibrant Teri Jo on that final, deadly ride? Was it another teen from the home or did she fall victim to a serial sexual predator?

  • S06E11 Dead End Trail

    • March 30, 2014
    • Investigation Discovery

    In the summer of 1981, Southern Illinois University student Susan Schumake is discovered murdered on a popular campus trail. The 21-year-old co-ed was last seen leaving her job at the radio station just before someone grabbed, raped and strangled her to death. Did she fall victim to a paroled rapist working on campus or did a fellow student bring her life to a tragic end?

  • S06E12 Nightclub Nightmare

    • April 13, 2014
    • Investigation Discovery

    A daring, daytime robbery of a nightclub in Arlington, TX goes terribly wrong when the gunman shoots three club employees. The 21-year-old bookkeeper, Jennifer Burns, is killed while the others are critically wounded. The suspect list swells when police determine it was an inside job.

  • S06E13 Death Comes Calling

    • April 20, 2014
    • Investigation Discovery

    The summer of 1980 marks the first time a resident of Oswego, OR has been killed. Long-time residents and beloved grandparents, Casper and Otillia Volk have been found stabbed to death in their home. Were these working class retirees the victims of a burglary-gone-bad or were the Volk's targeted by someone they knew?

Season 7

  • S07E01 Deadly Desire

    • January 4, 2014
    • Investigation Discovery

    Days before Thanksgiving, a small Philly suburb is rocked by the murder of 67 year-old Alice Hufnagle. Investigators run down a litany of suspicious characters on the road to unmasking the beloved matriarch's killer.

  • S07E02 Last Dance

    • January 11, 2015
    • Investigation Discovery

    When a 16 year-old ballet dancer is assaulted and murdered in her home, Portsmouth, Virginia detectives mine dark family secrets and high school social circles to bring an obsessed killer to justice.

  • S07E03 No Good Deed

    • January 18, 2015
    • Investigation Discovery

    In 2005, a 28 year-old photographer and college student is found murdered in his Arlington, Texas apartment. Investigators suspect that the victim's generosity and willingness to help those in need may have lead a killer to his door.

  • S07E04 Deadly Accusation

    • January 25, 2015
    • Investigation Discovery

    When a Naval Officer is apparently raped and stabbed by a coworker, a mysterious VHS tape suggests the victim may have been silenced to prevent a scandal. Dogged investigation and cutting edge forensic science reveals a shocking murder plot.

  • S07E05 Death and Taxes

    • February 8, 2015
    • Investigation Discovery

    When a successful tax attorney is found strangled to death on his Ft. Pierce, Florida property, detectives scrutinize jealous boyfriends, deadbeat tenants, and delinquent clients on their way to finding their killer.

  • S07E06 Murder in the Mirror

    • February 15, 2015
    • Investigation Discovery

    When a beloved matriarch is found murdered in her Hubbardston, Michigan home, investigators cast a suspicious eye on friends and neighbors, determined to solve the small town's first homicide.

  • S07E07 An Eye For Murder

    • February 22, 2015
    • Investigation Discovery

    In December of 1990, young Navy wife and mother Dina Kichler is found brutalized and strangled in her Mayport, Florida apartment. Investigators work through a list of the victim's admirers before closing in on the killer.

  • S07E08 Absent Teacher

    • March 1, 2015
    • Investigation Discovery

    In 1993, an elementary school teacher goes missing after her first day at a new job. Over the next two months, investigators sift through clues, piecing together the heartbreaking truth behind the young educator's sudden disappearance.

  • S07E09 Left Alone

    • March 8, 2015
    • Investigation Discovery

    In 1986, 13 year-old Mollie Pittman is attacked and murdered in the Orlando home of family friends. With no sign of a break-in, investigators wonder, did Mollie know her killer? Seventeen years of dogged investigation reveal the terrifying truth.

  • S07E10 Flames in Paradise

    • March 15, 2015
    • Investigation Discovery

    In December of 1998, the body of telemarketing manager David Stevens is found in a torched car in La Jolla, California, the victim of homicide. Detectives encounter a rogue's gallery of suspects and outlandish leads on their way to finding the killer.

  • S07E11 Nightmare Field

    • March 22, 2015
    • Investigation Discovery

    In 2011, Dalene Carlson goes missing, just weeks after relocating to Stockton, California. As investigators search for the missing 23 year-old, a shocking discovery in a nearby cornfield sets them on the trail of a vicious killer.

  • S07E12 Little Girl Gone

    • March 29, 2015
    • Investigation Discovery

    In 1988, a nine year-old girl goes missing in Great Falls, Montana. Years after the case goes cold, a chance bus stop encounter breathes new life into the investigation, leading detectives to the horrifying truth behind the girl's disappearance.

  • S07E13 Barefoot Homicide

    • April 5, 2015
    • Investigation Discovery

    After an all-night study session in a university lab, math student Deborah Wilson is found strangled, missing her shoes and socks. Years later, Philadelphia investigators unearth the shocking obsession that drove a killer to take her life.

Season 8

  • S08E01 New Years Evil

    • January 10, 2016
    • Investigation Discovery

    When a popular young woman turns up murdered in Lancaster County, PA, investigators must piece together the last few moments of her life to determine who killed her.

  • S08E02 Silent Night

    • January 17, 2016
    • Investigation Discovery

    A young woman is found murdered in her Portland, OR apartment on Christmas Day and investigators soon learn the terrifying truth about her vicious killer.

  • S08E03 Ashes To Ashes

    • January 24, 2016
    • Investigation Discovery

    When an eight-year old Ocean Shores, WA girl is found strangled to death, a local woman is instrumental in helping detectives bring the girl's brutal killer to justice.

  • S08E04 Vicious Voyeur

    • January 31, 2016
    • Investigation Discovery

    The killer of a young North Carolina woman keeps police guessing until he slips up and detectives get what they need to put him behind bars.

  • S08E05 Drive With Danger

    • February 14, 2016
    • Investigation Discovery

    A friendly night out ends in a shallow grave for a beautiful young woman and her killer evades police for decades.

  • S08E06 Knives And Lies

    • February 21, 2016
    • Investigation Discovery

    When a well-liked teenage boy is found stabbed to death in his Salt Lake City, UT home, detectives leave no stone unturned in their quest to solve the murder that rocked this normally tranquil town.

  • S08E07 Last Curtain Call

    • February 28, 2016
    • Investigation Discovery

    Like in one of his old Hollywood westerns, a former actor is gunned down in Yuma, AZ and police chase leads across the Southwest until they finally get their man.

  • S08E08 Murder Down Memory Lane

    • March 6, 2016
    • Investigation Discovery

    After a young girl describes her mother's killer as being a ninja, police attempt to work out the truth behind the child's description as they put the murderer behind bars.

  • S08E09 Housebound Homicide

    • March 13, 2016
    • Investigation Discovery

    The police manage to track down the killer of a disabled Denver woman and they attempt to establish whether or not she was killed for money or if there was a more personal motive for her death.

  • S08E10 Kill Now, Pay Later

    • March 20, 2016
    • Investigation Discovery

    When an arrest is made in the contract killing of a California businessman, police discover that's just the beginning of the story.

  • S08E11 End Of The Line

    • March 27, 2016
    • Investigation Discovery

    After a college freshman is found raped and murdered, a rookie police officer manages to catch her killer.

  • S08E12 Final Lesson

    • April 3, 2016
    • Investigation Discovery

    In Santa Monica, California, a man who killed an art teacher remains at large for years as detectives use every trick in the book to hunt him down.

  • S08E13 Stone Cold Fusion

    • April 10, 2016
    • Investigation Discovery

    The leading advocate for the controversial science of cold fusion is beaten to death and investigators run the full gamut of suspects, from corporate executives to drug-crazed burglars, to find his killer.

Season 9

  • S09E01 Field of Nightmares

    • October 4, 2017
    • Investigation Discovery

    In Springfield, Ill., an infant girl is found in a sweltering sports utility vehicle, leading to the discovery that the baby's young mother has gone missing; a frantic search leads to an eerie sight at the edge of town.

  • S09E02 Snake in the Grass

    • October 11, 2017
    • Investigation Discovery

    In Southern California, police investigate the murders of married entrepreneurs who may have found out the hard way that no amount of money is worth losing one's life over.

  • S09E03 Dance With the Devil

    • October 18, 2017
    • Investigation Discovery

    A fun-loving New Jersey woman buys a home close to her family, then the wrong houseguest proves deadly, and police must dig through the victim's life to find an enemy who hides very close.

  • S09E04 Nightcrawler

    • October 25, 2017
    • Investigation Discovery

    In Summit Township, Mich., a mother is gunned down in her home in the middle of the night; suspicion swirls around those closest to her until it is revealed that being in the wrong place at the wrong time can result in paying the ultimate price.

  • S09E05 Final Curtain

    • November 1, 2017
    • Investigation Discovery

    In Costa Mesa, Calif., the murder of a young girl and the disappearance of a former U.S. Army solider lead investigators down a dark path as they delve into the mind of an unassuming killer.

  • S09E06 Devil Went Down to Georgia

    • November 8, 2017
    • Investigation Discovery

    A recent law school graduate goes missing weeks before the bar exam; family, friends and investigators collaborate to solve the mystery of her disappearance; a revelation puts her inner circle of friends under suspicion.

  • S09E07 Terror Under the Moonlight

    • November 15, 2017
    • Investigation Discovery

    An unthinkable murder and miraculous story of survival take shape in a small Gulf Coast, Texas, town; a quiet night out for teenagers turns into every parent's nightmare when a killer stumbles upon his unsuspecting prey.

  • S09E08 Tangled Up in Red

    • November 22, 2017
    • Investigation Discovery

    In a Georgia suburb, a woman is killed while her best friend is hospitalized in a separate attack; investigators seek to uncover connections showing that some members of the victims' families are much closer than anyone knew.

  • S09E09 A Taste for Blood

    • December 6, 2017
    • Investigation Discovery

    Police first rule a mother's death in a bath to be an accident, but when evidence doesn't add up, the case turns into a murder investigation; two more victims become connected to the murderer, whom cops must hunt down before he strikes again.

  • S09E10 Down to the Wire

    • December 13, 2017
    • Investigation Discovery

    A mother of three adult children is stabbed in her home in the middle of the day; detectives find a few unlikely suspects while scrutinizing the victim's life; however, it will take years and one bold wiretap to uncover what really happened.

  • S09E11 Fatal Impact

    • December 20, 2017
    • Investigation Discovery

    A farm foreman dies in what looks like a deadly accident, however, the ATF confirms the foreman's death came about as the result of a bomb, and the killer eventually gets brought down with the help of a little sunlight.

  • S09E12 Shattered Dreams

    • December 27, 2017
    • Investigation Discovery

    A couple is gunned down in their home in the middle of the night; evidence points to the couple's relatives, sending cops down a path that has dire results for a suspect.

  • S09E13 Forget Me Not

    • January 10, 2018
    • Investigation Discovery

    A teenage girl has been missing for a month before she is found murdered in tranquil La Porte, Ind.; dogged investigators spend 15 years searching for the victim's killer.