Three women who advertised erotic services on Craiglist are assaulted, on of them is killed; surveillance video and witness reports match a man who no one would ever suspect to be a killer.
When a deadly sniper terrorizes the DC area for weeks, frantic police put out an APB for a white van. But the FBI has a theory that there might be more than one sniper, and they're not driving a white van.
When government intern Chandra Levy goes missing, detectives discover she may have been having an affair with a senator; a man in jail claims he has information.
When a young man is murdered in his home, the only suspect is his ex-girlfriend, who claims she hasn't seen the victim for months. But detectives uncover a digital camera, DNA evidence, and phone messages that tell a different story.
When three members of the same family die of mysterious causes, detectives confirm the presence of antifreeze. Who is the poisoner, and why? The secret almost dies when a fourth family member is poisoned, but survives.
When an aspiring actress is found dead in the home of a legendary music producer, he claims it was suicide. But as detectives piece together the pattern of blood splatter and the position of the weapon, they zero in on their suspect.
A killer terrorizes Wichita, Kansas, preying on random people and families, tying them up, and strangling them. But then the killer goes quiet. When he resurfaces decades later, police find a way to lure him to reveal his identity.
When a series of women are murdered in Baton Rouge, police draw a profile and begin DNA testing a segment of the city's population - white men. When one victim survives, she tells detectives the killer isn't white.
20 years after a woman was killed at home, an LAPD officer opens the cold case file and sees the murder was staged to look like a robbery and the killer could actually be a cop.
When four women are killed at different times in different states after going home from a bar with a handsome young man dressed like a cowboy, detectives don't realize the murders are linked together.
Four-dozen women are murdered in Washington State, and five of the victims found in the Green River.
Investigating the world's most notorious murders, going inside the minds and motives of the killers who committed them; experts from the FBI, Scotland Yard and leading homicide investigators review crime scene evidence.
When a law school student is strangled to death in her bed, detectives discover that someone had been secretly watching her for months. Not only did he videotape her through her second story window, but she knew him extremely well.
A geeky clerk turned prolific serial killer flies under the radar for years, as cops investigate another serial murderer. When law enforcement finally tracks him down, they discover he's far more demented than they ever imagined.
A group of high school outcasts are on the run through the Southeastern United States after their leader commits a savage double homicide. Cops finally catch the thrill-seeking teens, only to find out they're a makeshift vampire cult.
A minister, his wife, and a mysterious suicide. When a wife and mother overdose, no one suspects foul play. The family forces investigators to dig deeper, only to find out she was murdered by the last person anyone would have expected.
An Olympic hero shoots his girlfriend at his home in the middle of the night. Has he mistaken her for an intruder or is it all part of a precisely calculated plot to get away with murder?
A sexual predator turns the quiet town of San Luis Obispo into a hunting ground, preying on young, college age women. Through persistence and the tiniest of clues, law enforcement tracks down the sadistic killer and brings him to justice.
An ex-con on the run sets up camp in Gainesville, Florida. But, he's not satisfied just hiding out. This seasoned killer cannot be controlled and he won't stop killing until he's paid back society for his eight years behind bars.
Mother and son grifters crisscross the United States, pulling off every scam and con imaginable. But when these criminal masterminds graduate to multiple homicides, they're finally caught by the long arms of the law.
A promising young attorney is shot and killed in a jealous rage by an obsessed, on-again off-again girlfriend. But can she convince the jury that she's the victim and get away with murder?
Armed robberies resulting in the killings of fast-food workers are investigated.
A case revolves around a millionaire inventor and his much younger fiancée.
Out on parole, an ex-con turned published author goes on a 24-hour killing spree. But when he unknowingly leaves one of his victims alive to identify him cops launch a multi-state manhunt and bring him to justice.
After years of abuse, a high school valedictorian snaps, viciously stabbing his mother and leaving her for dead in the family's garage. He almost gets away with her savage murder, except for a couple small inconsistencies in his alibi.
A bizarre lover's triangle turns lethal and a mother of two suddenly disappears. Cops investigate the missing person's case but soon discover it's the coldest of coldhearted murders committed by two jilted ex-lovers.
When one bodybuilder wants what another bodybuilder has, the end result is a murder-for-hire. The mastermind resurfaces for nearly a decade late, half a world away only to kill a police officer before law enforcement brings him to justice.
A long-haul trucker with a lust for killing crisscrosses the country looking for his next victim. Police don't connect any of this serial murderer's crimes until he slips up and takes out someone from his inner circle.
Two ex-marines abduct women and keep them as sex slaves. This evil duo carries out their "operation" with military precision, unafraid to kill innocent civilians along the way, until a petty crime unravels their sinister plans.
The disappearance of a decorated military man stumps law enforcement and shocks a central Texas community. But once investigators dig into his home life, they uncover a vicious murder plot involving his veterinarian wife.
A drug abuser out on a joy ride kidnaps then kills an innocent coed in Oregon. Investigators spend months attempting to solve what they believe is a missing person's until the perpetrator strikes again.
A serial killer with a history of serial rape terrorizes Tampa, Florida's red light district, targeting women of night at random. This killer gets away with murder for months, only to be brought to justice by the one victim he let go.
A Michigan town in disbelief after a well-respected real estate entrepreneur becomes the prime suspect in his wife's murder. The investigation into the homicide uncovers a sordid tale of double lives.
A former army medic devises a sick plan to kidnap women, impregnate them and keep them in his basement as part of a personal baby farm.
The murder of a millionaire doctor's wife sets off a massive manhunt throughout New England. Law enforcement quickly locates the suspected killer only to find out he has a history of not only violence but also cross-dressing.
An unemployed teen mom and her new husband concoct a plan to kill an innocent man they meet on Craigslist. The end result sends shockwaves through a small town. What's even more shocking is that this may not be the wife's first homicide.
A father, husband and businessman by day transforms into a sadomasochistic by night. This veteran con-man lures unsuspecting women with a web of lies and empty promises only to trap them in a world of sex slavery and murder.
A wayward ex-marine drifts through central Oregon, off everyone's radar. He's homeless and forgotten about, committing petty crimes here and there, until one day he spots Amyjane and gets the urge to kill.
Two prominent doctors, two towns apart, entangled in a passionate rivalry for the same woman's affections. When one loses, he exacts the ultimate revenge, hiring a friend to take out the opposition.
For more than a decade, a genius doctor with a homicidal hobby gets away with murder at hospitals across two continents. Cops race against incredible odds to track him down just before he takes his next job and kills...again.
Terror strikes London, England as severed body parts start showing up at random locations across the countryside. Police must piece together the human jigsaw puzzle in order to track down the perpetrator.
A beautiful brunette is killed and left inside a burned out luxury car in the high desert. At first, it seems as though the perpetrators have gotten away with murder.
A scorned mistress exacts the ultimate revenge, hiring a group of derelicts to kill the wife of her lover. When the heat comes, she plays the victim and denies any involvement.
An evil seductress targets two Georgia police, bleeding them dry, then killing them for their life insurance benefits. This black widow gets away with murder for years before law enforcement untangles her web of seduction.
A state employee wreaks havoc on Southwestern New Mexico, abducting women then keep them captive in his homemade torture chamber, the toy box.
A loving father vanishes without a trace in central California, setting off a feverish missing person's investigation. Cops follow the trail of clues and discover that their missing person isn't missing at all.
A serial killer lays siege to Jacksonville, Florida, strangling young African-American women to death then callously discarding of their bodies.
Five people are killed from two separate families in two different states. Police quickly identify the suspect - an ex-con who's recently escaped from a halfway house. The race is on to capture him before he can kill again.
When a friendly woman is savagely murdered, cops suspect her killer is an ex-lover. But after two years of investigation, law enforcement discovers the real perpetrators are her bigoted neighbor and his deranged friends.
A British landlord offers free rent to a female "enforcer" if she'll take care of his troublesome tenants. The only problem is she ends up murdering a tenant and the landlord himself.
A self-taught serial killer crisscrosses the country at random, murdering victims with tools he calls “kill kits.” Law enforcement is clueless to the madman’s actions until he breaks his own rule and targets a victim close to home.
A homicide investigation ensues after a surgeon's wife goes missing, and remains unsolved after 15 years.
When a banker's soon-to-be ex-wife dies, it is passed off as an accidental fall, but after months of investigation it becomes clear that she was murdered.
A street preacher and his teenage protégé run an Internet scam to rob unsuspecting men, steal their identities, then dump their dead bodies in the woods. The scheme works multiple times until one of the marks escapes.
A criminal terrorizes central Florida, robbing middle aged men, executing them and disposing of their dead bodies. The homicides continue for two years until a bloody handprint leads to the serial killer who happens to be a woman.
A mentally unstable man goes on a two-hour shooting spree, killing one man and wounding two others. Cops have no suspects, until the shooter resurfaces to rob a tanning salon and ends up face-to-face with a iron-willed customer.
A gunman attempts to take out an entire family one by one as they enter their house. It takes law enforcement nearly two years to crack the code behind the murders only to find out they were masterminded by someone too close for comfort.
When a rabbi's wife is savagely murdered inside the family's suburban New Jersey home, it looks like a robbery gone wrong. After years of chasing down leads, police catch a break on a sadistic murder plot.
The murder of a husband and his pregnant wife leaving a child birthing class leaves police thinking it was a random shooting until they find the real perpetrator weeks later.
After three members of an affluent family are mowed down inside their home, law enforcement locks in on a primary person of interest.
When a woman is gunned down in the parking lot of her therapist's office building, it looks like a random act of violence. But security footage and eyewitnesses quickly reveal that the murder is part of a larger scheme.
Law enforcement discovers the man who had been killing prostitutes in upstate New York for two years was living amongst the dead bodies of his victims that were stashed in his home.
The search a local business woman who vanished quickly morphs into a homicide investigation after police discover microscopic evidence inside the woman's home and car. But with no body or eyewitnesses, can law enforcement bring the killer to justice?
A merciless killer terrorizes South Los Angeles during the 1980s then appears to go dormant for 14 years only to resurface in the most hideous way possible. But through technological advances law enforcement is able to bring the madman to justice.
A woman's clairvoyant dream leads cops to the body of a dead woman hidden in the bushes on a pristine beach. As investigators peel back the layers, they soon find out the victim had been marked for death by someone she used to love and trust.
A serial killer crisscrosses California, leaving a trail of dead bodies in random locations. Law enforcement is nowhere near catching the dangerous sociopath, until he shows up at a Sheriff's Department with a victim's body part in his jacket.
A serial predator targets men at gay bars, leaving a trail of dead bodies along the southeastern United States.
The disappearance of a wealthy retiree in South Florida quickly turns from a missing person's case to a full blown homicide investigation focused around an unexpected perpetrator and her convoluted plan to get away with murder.
The murder of a man inside his suburban Los Angeles home sets off a chain reaction of murder, conspiracy and furious cover-ups, which ultimately point back to a mastermind who's in it for the money.
Law enforcement investigates a series of unsolved murders in the state of Colorado over the course of a year, only to realize all the seemingly isolated incidents all point back to a single FBI informant.
Cops investigate the apparent carjacking of a husband and wife in East Los Angeles, California only to discover that the ambush was a ruse, carried out by cousins, to kill the husband for insurance money.
A triple homicide in small town Maine rocks a community and destroys a family. It doesn't take police long to piece together the elements of the crime, and its ruthless cover-up, which point back to a perpetrator close to home.
A disgruntled man snaps and goes on killing spree, terrorizing the entire borough of Brooklyn, New York. Cops track the killer's trail of victims for more than 24 hours before they finally hunt him down across the city.
Four young adults are gunned down inside an affluent home in a suburb of Houston, Texas. Police investigate the quadruple homicide for three years, chasing down hundreds of leads, before arriving at a coldblooded killer with a convoluted motive.
A central California community is rocked when a pregnant wife vanishes without a trace on Christmas Eve. After months of tireless investigation, cops make two grisly discoveries that confirm the expectant mom had been targeted for murder.
A bloodbath inside a Beverly Hills mansion sparks a high publicized investigation; after months working the case, law enforcement uncovers the secrets of a family so deep in turmoil that a cold-blooded murder plot was hatched to bring it down.
The discovery of a burned body on the side of the road in suburban Dallas kick starts a furious race to find a killer. With surveillance footage and a string of eyewitnesses, it takes local police less than 72 hours to identify the perpetrator.
A mother disappears, leaving behind three kids and a husband she planned to divorce. Law enforcement determines she's been the victim of a homicide but it takes them nearly two decades to unravel the mystery, and bring her killer to justice.
A homicide at the intersection of a teenage daughter and her boyfriend who can't get out from underneath a mother's overbearing eye. Cops uncover the shocking truth behind a premeditated murder plot.
The random murder of a woman in Central Montana sends law enforcement on the hunt for a killer; using a network of informants and good old fashioned methods the authorities track down the mentally unstable man behind the motiveless crime.
When a Southern California high school teacher suddenly dies, it appears his death was due to natural causes. But once law enforcement starts looking into his widow, they uncover her treacherous past and her preference for using poison to kill.
A heartbroken millionaire marries a much younger woman, ending with a shotgun blast to the stomach and a lethal dose of poison.
When a chef's wife goes missing from Southern California, it initially appears she may have left voluntarily, yet, after months of investigation, detectives uncover she was the victim of a ruthless homicide and an even more savage cover up.
A vicious custody battle ends when one of the parents vanishes without a trace. Law enforcement investigates the usual suspects only to uncover a seemingly premeditated murder and a sickening attempt to cover it up.
A controversial family of atheists walks away from their life's work without warning. When law enforcement stops investigating the disappearances, an intrepid journalist picks up the torch and hunts down a mastermind hell-bent on revenge.
Cops in Fort Worth, Texas investigate a brutal killing at a construction site. After months of interviews, extensive forensic analysis, and process of elimination, homicide detectives track down a suspect who they've been eyeing from the beginning.
A deranged man, with an unforgettable nickname, terrorizes New York City in the late 1970s, leaving a trail of dead and wounded in his wake. This killer operates with impunity for nearly 13 months until a parking ticket lead to his capture.
Police in Minnesota investigate the murder of a woman whose dead body was dumped. After years of investigation, and with the help of some unlikely informants, they narrow down the suspect pool to a perpetrator who was overlooked at the outset.
A husband and wife are savagely attacked in their upstate New York home. When the wife survives, but loses her memory of the attack, police must rely on the evidence to see if her pre-amnesia identification of the killer proves true.
A serial killer uses Louisiana's capital city as his private hunting ground, leaving a trail of dead women over a three-year span; cops struggle to stop him, until he leaves a survivor who picks him out of lineup and brings him to justice.
A soccer mom moonlighting as an escort disappears from Western Colorado, and it takes homicide detectives nearly seven years to unravel what proves to be a cold-blooded murder and a horrific cover up.
A recent widower is brutally murdered inside his North Dakota home; law enforcement quickly uncover evidence that reveals the homicide is part of a desperate plan from a person almost too close for suspicion.
When women in a working class Rhode Island town begin mysteriously disappearing, cops investigate and discover the dark obsession of a serial killer nobody suspected.
A damaged man turns Cleveland, Ohio into a hunting ground as part of a twisted plan to exact revenge on the women who hurt him.
A merciless triple homicide in New Orleans, Louisiana leaves law enforcement with puzzling clues, but as they piece together the mystery, they quickly realize there is more to the murders than a robbery gone wrong.
After the murder of a grandmother in the suburbs of Cincinnati, it takes nearly a year, a microscopic clue, and a piece of jewelry as unique as a fingerprint for law enforcement to bring the murderer to justice.
In Southern California, law enforcement hunt for a serial killer who is targeting elderly women within a few mile radius; after weeks of searching, a survivor comes forward with a description that blows the case wide open.
A serial predator terrorizes Southeastern Louisiana, strangling men to death and disposing of their bodies like trash for nearly a decade until a potential victim escapes his clutches, and then leads police right to the killer's doorstep.
Police follow the trail of a young Southern California woman who vanishes without a trace for years until a random encounter turns them onto a chilling discovery and an even colder criminal.
The discovery of a Jane Doe underneath a New Jersey bridge kick starts an intensive investigation to figure out who she is and how she died.
The murder of a respected college professor sends shockwaves through suburban Richmond, Virginia; cops investigate the homicide nonstop until evidence reveals a cold-blooded killer's premeditated plot.
A church-going mother with no known enemies suddenly disappears from Northeastern Texas; as cops investigate, they uncover a serial predator from the shadows and rush to stop him before he kills again.
The clock is ticking as police in northern Minnesota rush to rescue a kidnapped college student; it takes NASA technology for law enforcement to uncover the identity of the abductor, who turns out to be a serial predator.
When cops investigate the slaying of a casino worker in Las Vegas, they uncover a murder conspiracy that was months in the making.