Signs of a Psychopath Episode Rating Graph

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.

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?

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.

In rural Missouri, police receive a chilling call from a 50-year-old man who claims to have shot three individuals inside his home. Detectives discover that this impulsive massacre had a purpose, and that the culprit is a psychopath obsessed with control.

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.

A home invasion leads to the revelation of a shocking double life.

A missing person's report leads police to a career criminal and his partner, uncovering a twisted path of illicit schemes, drugs, and exploitation.

The "Tourniquet Killer" terrorizes young girls across Houston, Texas. When advances in DNA finally lead to his arrest, this psychopath eagerly confesses to multiple murders.

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.

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.

Traits of psychopath lurk in us all, but for whom does it lead to murder?

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.

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.

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.

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.

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.

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.

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.

After coming home to find her parents on the floor bleeding, a woman's younger brother claims their father shot their mother before turning the gun on himself.

After his wife vanishes from Jackson, Missouri., a psychopath plays cat and mouse with detectives.

A New Hampshire village is in shock after four adolescents were arrested for robbing and murdering a 42-year-old mother and maiming her 11-year-old daughter. Detectives discover two individuals who are vicious psychopaths rather than ordinary criminals.

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.

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.

A disgruntled man decides that killing someone will make him feel better, so he chooses a random stranger and uses nine rounds to ruin two families' lives. Next, an egotistical kid attempts to persuade investigators that he beat a senior citizen to death in self-defense.

A husband cannot tolerate his in-laws staying with him and decides to remove them and his wife permanently. A killer admits his victim was no friend of his after first telling police the man was his best pal.

Teens break into a sleeping woman's home and mercilessly kill her and maim her daughter with a machete. As they coldly recount the night, police realize they are dealing with sociopaths. Two teens devise a devious plot to kill a girl in cold blood.

A missing man's half-eaten remains turn up in a pig pen, and the owner claims she shot him in a mercy killing, but there's another dark secret buried on her land. A woman fiercely denies her part in a murder, but her boyfriend knows the truth.

A sadist blames his girlfriend's murder on a friend, but after a visit from his aunt, he spills the terrible truth. Two kids are dead, and the killer refuses to talk to police.

A long-distance couple's happy reunion turns sour when a fight leads to the woman's disappearance but one person knows exactly where she is. Then, a bucket with horrific contents stuns police, but learning the circumstances around it, terrifies them.

Death row inmate John Hummel agrees to a final interview weeks before his execution.

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.

Experts explore cases of psychopathic killers known as family annihilators.

A man calls 911 with his dying breath, and first responders arrive to find him brutally 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 mother who calls 911 to report her 32-year-old son is threatening her turns up dead in her home; he becomes the only suspect, and when he turns himself in, his pragmatic retelling of the slaying isn't just cold hearted, it's psychopathic.

Every parent's worst nightmare is the possibility that their child has the same evil traits as the most heinous murderers.

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.

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.

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.

A crash on a North Dakota highway leaves one passenger dead but the driver unscathed; when investigators see that the victim has stab wounds, they know there was foul play; detectives interrogate the driver.

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 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.

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.

When police question a man in his pregnant ex-girlfriend and her young son's disappearance, they discover he has a terrifying capacity for violence. Later, a seemingly innocuous man searching for a missing girl could be a real-life monster.

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.

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 manipulator.

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.