11 seasons now streaming
Signs of a Psychopath
TV series · 23m per ep
DocumentaryCrime
Starring N.G. Berrill
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?
Where to watch
Streaming on
HBO Max
YouTube TVRent or buy on
Amazon Video
Apple TV StoreFree with ads on
Investigation Discovery
Spectrum On DemandOther reviews
No other reviews yet.
Show info
NetworkInvestigation Discovery
Seasons11
Episodes97
Runtime23 min
First airedAugust 23, 2020
StatusReturning Series
