John E. Douglas

John E. Douglas

John Edward Douglas is a former United States Federal Bureau of Investigation (FBI) agent, one of the first criminal profilers, and criminal psychology author. He also wrote four horror novels in the mid 1990s. -Wikipedia

During his twenty-five year career with the FBI’s Behavioral Science Unit, a name he later changed to The Investigative Science Unit (Douglas & Olshaker, 1995), John Douglas became the leading expert on criminal personality profiling and the pioneer of modern criminal investigative analysis. Through his research with serial criminal’s, Douglas learned how criminals think and what makes them do the things that they do, and why. Douglas can determine many personal traits and habits of an offender just by examining the crime s

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