TV
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?
Last Episode Aired
2026-10-27
S11E19 — That's When My Nightmare Started
Where to Watch
Stream
HBO Max Amazon Channel
Philo
Discovery+ Amazon Channel
YouTube TV
Investigation Discovery
HBO Max
Discovery +
HBO Max Amazon Channel
Philo
Discovery+ Amazon Channel
YouTube TV
Investigation Discovery
HBO Max
Discovery +
Buy
Amazon Video
Apple TV Store
Google Play Movies
Fandango At Home
Amazon Video
Apple TV Store
Google Play Movies
Fandango At Home
Availability data provided by JustWatch via TMDB
Billed Cast
N.G. Berrill
Psychologist
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