John E. Douglas Biography

John Douglas, a pioneer of modern criminal psychology, spent twenty-five years with the FBI, becoming a leading expert in serial offender profiling. Through his research and interviews with notorious criminals, Douglas gained profound insight into their thinking and motivations. He developed the ability to discern an offender's personality traits and habits by meticulously examining crime scenes and victimology. His groundbreaking work aided numerous arrests and significantly advanced the understanding of what drives individuals to commit violent crimes.