![]() ![]() He proved the effectiveness of profiling in many cases, including those of Robert Hansen, Wayne Williams, and Larry Gene Bell. He provided profiles for police departments all around the country. While Douglas worked on this research project, he was also managing a full-time case load as the sole profiler for the FBI. Their efforts led to a grant funded by the National Institute of Justice to conduct what was formally known as the Criminal Personality Research Project. Burgess helped Douglas and Ressler formalize and organize their research and findings. Ann Burgess, a professor of psychiatric mental health nursing at the University of Pennsylvania. A connection to Roy Hazelwood enabled them to meet Dr. Through these informal interviews, they gained a better understanding of criminal behavior. Douglas and Ressler trained police departments around the country during the week, and on nights and weekends, they conducted prison interviews with infamous violent serial offenders, such Ed Kemper, Charles Manson, Arthur Bremmer, Sarah Jane More, Lynette Fromme, Richard Speck, and Monte Rissell. ![]() There, he was paired with Robert Ressler, who would become his partner in the serial killer study they conducted while they taught road school. The team took an interest in Douglas, and by 1977, he had transferred to Quantico to work in the BSU. ![]() At the FBI Academy, Douglas met members of the Behavioral Science Unit, all of whom were involved in teaching the hostage negotiation course. ![]()
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