A 50-year-old woman is found dead in her home. All that's left behind is a note that reads, "Chase me." But when detectives uncover the killer, they quickly discover they have come face to face with a remorseless psychopath.
Residents of a quaint village are terrified when a local innkeeper and two others are found brutally murdered. Detectives in Maine must follow the depraved killer into the woods at night as he leads them to where he killed and buried a fourth victim.
An unapologetic 14-year-old boy confesses to the murder of his best friend. Twelve years later, he's back in court with chance at a reduced sentence. Has this 26-year-old really changed? Or is he the same meticulous, cold-blooded killer he always was?
A charming 20-year-old wants to help authorities with a murder investigation. He claims to have met one of the three victims and says he has no knowledge of the crime, but detectives suspect otherwise. Could this young intellectual be hiding a dark side?
When police question a man in the disappearance of his pregnant ex-girlfriend and her young son, they discover he has a terrifying capacity for violence. And later, could a seemingly innocuous man searching for a missing girl be a real-life monster?
A young girl disappears after school. Her last known steps are caught on surveillance cameras, which lead investigators to two dark minds who carefully plotted one of the most sinister, depraved crimes imaginable.
A missing Colorado woman's roommate claims she'll do anything to help find her, but investigators fear they may have a rare female psychopath on their hands. Later, a killer's angry outbursts could be real, or just an act put on by a skilled manipulator.
After a house fire in Texas, suspicion lands on John Hummel when his family's brutally murdered bodies are discovered in the ashes, and he doesn't blink an eye. Now an inmate on death row, he grants a final interview weeks before his execution.
An arrogant woman believes she's committed the perfect crime. She is wrong.
An obsession with a web-cam model leads to the annihilation of a family.
A prolific serial killer brags on tape about strangling eight young women.
Police suspect a love triangle is the cause of a student's disappearance.
A heartless teenage killer proves that evil has no age limit.
While being questioned in the abduction of an Anchorage barista, a young local businessman starts negotiating with investigators to reveal details of a depraved secret life as one of America's most meticulous and psychopathic serial killers.
A heartless gunman shoots a young couple with devastating consequences.
A home invasion leads to the revelation of a shocking double life.
The naked and mutilated body of a mother turns up at the bottom of a ravine in Baton Rouge, Louisiana. When tire tracks lead investigators to a suspect, they encounter an undetected serial killer who confesses to butchering eight women over a decade.
Police respond to a 911 call to find a father of two dead in his home with more than 15 gunshot wounds. Police question the family, but one person is missing, his mother-in-law. Now detectives must determine if this grandma could be a deadly psychopath.
When a graduate student suddenly goes missing, the family he's staying with immediately contacts police. Then, just days later, a horrific discovery forces investigators to face a rare kind of monster.
An officer responds to a 911 call placed by a robber on the lam who feels compelled to turn himself in. However, when the officer arrives at the scene, the criminal confesses to much more than breaking and entering.
A man crashes into the back of a woman's vehicle early one morning. Officers respond to the scene only to find her car abandoned. Witnesses point to the other driver, and detectives are horrified to discover a sadistic psychopath who admits to murder.
The Tourniquet Killer terrorizes young girls across Houston, Texas, and when advances in DNA finally lead to his arrest, this psychopath eagerly confesses to multiple murders; weeks before his execution, he grants one interview in the spotlight.
First responders arrive at a home in Ontario where a mother leads officers to the dead bodies of her two children. An investigation yields a twisted truth: this awful tragedy isn't an accident but a carefully crafted killing by a vengeful psychopath.
A longtime nurse confesses to helping end the lives of numerous elderly patients at multiple nursing homes; detectives discover this is no angel of mercy; behind her unsuspecting persona lies a ruthless psychopath.
A failed actor take out his rage on the weakest members of society; after killing four people, a chance encounter with police leads to his downfall; the interrogation room becomes the stage for this killer's final performance.
Burlington Police get a call that a man killed his girlfriend. At the scene they find the man calm while his girlfriend's body lies nearby. He explains that he has other victims, revealing a history of psychopathic sexual deviancy.
A woman dies in a brutal stabbing at home. Police quickly locate the prime suspect: Antoine Bynum. In his interrogation, he appears to have a psychotic episode until detectives discover it's merely the ruse of a deranged psychopath.
A 17-year-old breaks into his family's cabin and steals a gun before beginning a horrifying road trip through Iowa. When officers catch up with him, a haunting portrait of a burgeoning psychopathic killer emerges.
Police respond to the site of a car crash alongside a highway in Grand Rapids, Michigan. Investigators at the scene quickly realize this is no accident, but rather an elaborate cover up for cold-blooded murder by relentless psychopath.
In rural Wilno, Ontario a vigilante leaves his home on a mission to confront three women who have rejected him over the years. His confession gives investigators picture of a cold-hearted psychopath with a long history of abusing women.
A woman reports her boyfriend is missing after finding a pool of blood in their apartment. When investigators start their search for answers, they are confronted with a sinister plot hatched by their roommate.
A mother who calls 911 to report that her delinquent son is threatening her turns up dead in her home.
A crash on a North Dakota highway leave a passenger dead but the driver unscathed. When investigators discover that the victim has stab wounds, they know there was foul play.
Searchers for a missing woman find her brutally beaten body in a dilapidated house near her home. The case goes cold until a local teen steps forward to reveal that he's not only the killer but also a manipulative psychopath with a thirst for violence.
After his conviction for the brutal slaying of his wife, a Florida inmate lays claim to another unsolved murder 17 years prior, revealing that he's a manipulative psychopath with a history of violence and an unquenchable thirst for revenge.
A man confesses to accidentally killing his best friend while cleaning his gun; during his interrogation, he stuns police by revealing that he’s behind a long trail of bloodshed and is a serial killer who seems to consider himself an angel of mercy.
A man finds his girlfriend and her mother murdered in their beds at night; he calls 911 for help, but police discover his urge to seek revenge.
Behind a church lies a dismembered body burned beyond recognition; investigators identify the victim and receive a tip the suspect is a female; a police interview reveals her as the most remorseless psychopathic killer they’ve ever seen.
When a beloved elderly couple disappears on a Sunday afternoon, one person knows their battered lie dead at the bottom of a well; that man is the couple’s son, who lives off his parent’s charity yet takes pleasure in murdering them.
When Omaha, Neb., police officers arrest the driver of a stolen van, he shocks detectives by giving an unsolicited confession to a gruesome murder, and it is only the first of many chilling revelations.
When a priest from Florida goes missing, police focus on a troubled ex-convict whom he helped support; through multiple interrogations, a psychopathic killer reveals details of a twisted vengeance that escalates to a chilling murder.
The signs of psychopathy lurk in all of us -- grandiosity, sadism, superficial charm, manipulation, lack of empathy, or having a parasitic lifestyle. Go inside the mind of psychopaths to discover when these pervasive traits deviate into violence.
A woman finds her elderly brother dead in his bedroom with his throat slashed; uncovering the truth poses a challenge for detectives, as the individual responsible for killing him is a manipulative psychopath who craftily deflects blame.
A racially motivated serial killer confesses to killing additional victims.
Investigators search a farm for a missing man and find a human leg bone on the property; the owner, Susan Monica, admits that her pigs ate her tenant alive, and he's not the only victim; Monica despises humans, but loves her pigs.
A gunman shoots a man dead as he runs along a country road, and first responders find a witness standing next to the body with a strange story to tell; detectives unravel the lies of a callous psychopath who takes out his frustrations in bloodshed.
A man calls 911 with his dying breath. First responders find him murdered, stabbed 59 times. When detectives question his best friend, they uncover a tangled, sick story of deception and jealousy that explodes in psychopathic rage.
A killer shoots a young woman dead in her boyfriend's Orlando apartment. Hours later, he turns up in a hospital bed 500 miles away with a gunshot wound and a bizarre story that unravels to reveal he's a lying, callous psychopath.
Police find a 17-year-old female's dead body in a ditch with two gunshot wounds. The investigation centers on two friends of the victim claiming her death was an accident, but detectives uncover it was a thrill kill carried out by evil psychopaths.
A New Hampshire town reels after police arrest four teenagers for robbing and murdering a 42-year-old mother and maiming her 11-year-old daughter. Detectives uncover two suspects who are not ordinary criminals but sadistic psychopaths.
A missing persons report leads police to a career criminal and his girlfriend. They uncover a twisted world of illicit schemes, macabre fantasies, and a puppet master manipulating young women down a dark path of sex, drugs and exploitation.
When women kill, it's shocking to many of us. However, female psychopaths may not be as rare as we imagine. We'll examine some of the unique characteristics of female psychopathic killers, and explore the horrific crimes that they've committed.
A frantic graduate student calls 911 to say she just shot her boyfriend in self-defense. Police soon discover that her story doesn't add up and realize they are face-to-face with a remorseless, calculating psychopath.
Eleven operators receive a terrifying call from a youngster who claims he stabbed his parents to death. Unsure if the call is a Halloween joke, police rush to the area, only to learn that it is not a fake and that the caller is a budding psychopath.
A youngster gets imprisoned when his mother discovers the remains of a missing vagrant in his bedroom. While in jail, investigators find that the suspect is a vicious psychopath who admires notorious serial murderers.
A troubled culinary student murders his classmate’s family in their sleep
A controlling husband murders his ailing wife and her parents.
A concerned mother reports her 24-year-old son missing. He has fallen under the spell of a 47-year-old widowed woman. Detectives soon realize she's a sexual psychopath who has claimed the lives of more than one admirer.
A road rage incident turns deadly as an elderly man is beaten to death by a teenager who claims he was acting in self-defense; detectives not only find holes in his story but uncover that he is a remorseless and manipulative psychopath.
A mother awakes to find her two sons with their throats cut; their aunt's boyfriend confesses to his mother, and she wears a wire to capture her son; as he admits his guilt, it's clear how a psychopathic rage led to violence.
Revisiting some of the most dangerous killers in modern history to see which psychopathic traits they exhibited.
On a quiet winter night, a mother finds her 22-year-old son horrifically dismembered in her basement. The lone suspect is the victim's ex-girlfriend, who is at her home in an emotionless state with blood on her hands.
Weeks after an 18-year-old man's friend reports him missing, his clothing turns up burned in a trash can behind a suburban home. When witnesses lead investigators to a young man with a history of violence, they soon learn he had not worked alone.
A 19-year-old woman vanishes, and the suspect is a former high school classmate with whom she had been communicating days earlier. The family is weary, for the suspect has a notorious past filled with sexual deviancy and homicidal urges toward women.
A man finds his family slaughtered in their West Virginia home. The oldest son, 16-year-old Gavin Smith, is missing, he turns up hiding at his girlfriend's.
After meeting with her divorce attorney and estranged husband, a devoted mother of three vanishes into air. As friends and family desperately try to locate her, the husband instead plays a psychopathic game of cat and mouse with investigators.
Hikers in Portland discover the badly decomposed body of a raped and strangled young girl. A month later, another woman turns up brutally murdered in same fashion. The prime suspect is a homeless drifter harboring dark sexual fantasies.
A 33-year-old oil rig worker calls 911 to report his girlfriend missing. He seems to be helping in the time-critical hunt to find her. A failed polygraph test leads detectives to suspect this seemingly caring boyfriend is a psychopath.
Six months pregnant Martine Bernard's family reports her missing, days later, her father vanishes as well. When officers interview Martine's husband, Cassandritz Blanc, they find a calculating psychopath willing to do anything to cover his tracks.
When a 64-year-old grandmother does not return home from her morning walk, local police uncover that the man responsible for her disappearance is not only a pathological liar but a sexually deviant psychopath carrying out a twisted fantasy.
Every parent's worst nightmare is the possibility that their child has the same evil traits as the most heinous murderers. In this episode, specialists look at the early warning indicators in psychopathic killers arrested as teenagers and young adult…
