HBO Max Amazon Channel

Discovery+ Amazon Channel

HBO Max

Youtube TV

Philo

Discovery +

Apple TV

Amazon Video

Fandango At Home

Investigation Discovery

Google Play Movies

I Love Something So I Kill It

I Slept With a Knife

Unorthodox and Weird

His Parents Didn't Like Me

You’re Never Going To Get it Out of Me

My Pretty White Shoelaces

You're Not Leaving

She Said She Didn't Care

I'm Not a Weirdo

Birth of a Psychopath

Season 8

Masters of Manipulation

Documentary

Crime

Signs of a Psychopath

Season 1

Season 2

Season 3

Season 4

Season 5

Season 6

Season 7

Season 9

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?