A Criminal Profile documentary from 1999. Meet John Douglas & Roy Hazelwood, both former Profiler from FBI Behavioral Science Units(now Behavioral Analysis Unit),in the attempt, to create a comprehension for the various Modus Operandi + Signatures, existing among Serial Killers.
And example like Atlanta child murders(Wayne Williams),Robert Hansen(The Butcher Baker) murder in Alaska,And Larry Gene Bell who kill two people in South Carolina.
![](https://i.ytimg.com/vi/eoCpEOBuuQg/maxresdefault.jpg)