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?
Runtime: 23:14 minutes
Quality: HD
First air date: Aug 23, 2020
Last air date: Jul 07, 2024
Episode: 71 Episode
Season: 8 Season
IMDb: 2.6