Signs of a Psychopath Season 10 Episode 5 I Just Smiled and Laughed

TV14
August 24, 2025
20 min

A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run. When a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill.

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Watch Signs of a Psychopath - I Just Smiled and Laughed (s10 e5) Online - Watch online anytime: Buy, Rent

Signs of a Psychopath, Season 10 Episode 5, is available to watch and stream on Investigation Discovery. You can also buy, rent Signs of a Psychopath on demand at Max, Prime Video, Philo, Amazon, Hulu, Fandango at Home, Investigation Discovery, Google Play online.