Signs of a Psychopath - Season 9 - Eps 5: The Package Killer
Police catch a break on three St. Louis cold case murders when emerging DNA technology makes a match: a 73-year-old frail man whose harmless facade is hiding a vicious individual.
About Signs of a Psychopath
Title: Signs of a Psychopath
First Air Date: 2020-08-23
Last Air Date: 2025-03-02
Status: Returning Series
Rating: 7.7/10 (from 7 votes)
Language: EN
Seasons: 9
Total Episodes: 83
Network: Investigation Discovery
Genres: Documentary, Crime
Production Companies: Red Marble Media
Synopsis
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?
Cast
N.G. Berrill
Psychologist
