John E. Douglas

John Edward Douglas is a former FBI agent and pioneer in criminal profiling.

During his 25-year career with the FBI's Behavioral Science Unit, he became a leading expert in criminal personality profiling and investigative analysis.

Douglas interviewed numerous notorious serial offenders, including Charles Manson and Ted Bundy, to understand their thinking and motivations.

His work aided in the arrest of several high-profile criminals.

Douglas contributed to the field of psychology by outlining the goals of understanding sexual offenders, including their early warning signals, motivations, and potential victim responses.

His expertise has made him a prominent figure in criminal psychology and profiling.