Overview
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?
Seasons & Episodes
Season 1
Season 2
Season 3
Season 4
Season 5
Season 6
Season 7
Season 8
Season 9
Season 10
Season 11
Details
First Aired
2020-08-23
Status
Returning Series
Network
Investigation Discovery
Type
Documentary
Language
EN
Episodes
97
Cast
N.G. Berrill
Psychologist
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