Signs of a Psychopath “The Killer Cowards” August 2 2022 on Investigation Discovery

Signs of a Psychopath "The Killer Cowards" August 2 2022 on Investigation Discovery 1

Season 4 Episode 21 – A man hatchets to death his girlfriend and then terrorises her daughter, but detectives discover this is not his first murder. Then, a sadistic Texas serial killer who claims to have 60 victims agrees to an interview days before his lethal injection.


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