🔍
Robert Ressler was one of the most famous pioneers of the FBI's Behavioral Sciences Unit who actually coined the term "serial killer." We cover his experiences on major cases, including Jeffrey Dahmer, John Wayne Gacy, Arthur Shawcross, and William Heirens, the "Lipstick Killer." If you like my videos, please consider joining my Patreon. This is how I manage to pay for my narrations. Thank you! https://www.patreon.com/serialkillers Facebook: https://www.facebook.com/SKDocumentaries Tags: Serial killer documentary,Serial killers,True crime,Crime documentary,Killer documentary,Murder investigation,Criminal psychology,Crime analysis,Forensic analysis
