Series
Signs of a Psychopath
2020 · 11 seasons · 103 episodes · Returning Series · Investigation Discovery
Documentary, Crime
TMDB 7.8 · 13 votes
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?
