John Douglas (Profiler)

John Douglas is a former FBI agent and one of the pioneers of criminal profiling. He played a key role in developing techniques to analyze the behavior of criminals, particularly serial killers, to help law enforcement solve cases. Douglas interviewed many infamous offenders to understand their motivations and patterns. His work helped create the Behavioral Science Unit at the FBI, which uses psychological insights to identify and apprehend criminals. He has authored several books, including "Mindhunter," which highlights his experiences and contributions to criminal psychology and investigative techniques. Douglas's work has significantly influenced both law enforcement and popular culture.