Today on True Crime Tuesday Serial Violence: Analysis of Modus Operandi and Signature Characteristics of Killers with special guest Bill Birnes.

William (Bill) Birnes is a New York Times best-selling author, a magazine publisher, and a New York literary publishing agent who has written and edited over twenty-five books and encyclopedias in the fields of human behavior, true crime, current affairs, history, & psychology.PLUS The return of Dumb Crimes & Stupid Criminals!