The Man Who Invented Profiling

He was the first guy in the fbi to come up with the idea of of figuring out what why killers do what they do. So he shows up in a great book by the guy who invented profiling in thefbi. He said, i would just go to any house, and if the door was unlocked, i'd kill body in there. And so he said, i'm putting this in the first chapter to just tell you, just lock ou.