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For every sadistic psychopath...there were signs. Charm. Narcissism. Lack of empathy. Impulsiveness. Manipulation. Deception. These traits and others are the telltale Signs of a Psychopath. This harrowing half-hour archive series revisits some of the most brutal killers in modern history, reviewing news footage and the words of the killers themselves to see which terrifying traits each killer exhibited. What are the signs...of evil?

Signs of a Psychopath is a series that is currently running and has 1 seasons (8 episodes). The series first aired on August 23, 2020.

Signs of a Psychopath is available for streaming on the website, both individual episodes and full seasons. You can also watch Signs of a Psychopath on demand atPhilo, Amazon, Hulu, Vudu, Investigation Discovery, FuboTV, Google Play, iTunes online.

Sunday 10:30 PM et/pt on Investigation Discovery
1 Season, 8 Episodes
August 23, 2020
Crime Documentary & Biography
Watch Episodes

Signs of a Psychopath Full Episode Guide

  • A death row inmate grants a final interview weeks before his execution. After a tragic house fire in Texas, suspicion lands on a husband and father when the brutally murdered bodies of his family are discovered in the ashes and he doesn't blink an eye.

  • 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.

  • 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.

  • 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 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?

  • Revisiting some of the most dangerous killers in modern history to see which psychopathic traits they exhibited.

  • 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.