Co-wrote the book "Sexual Homicide: Patterns and Motives" with Ann W. Burgess and John Douglas
, as well as several other books on similar subjects.
Colonel Robert Ressler | Robert Ressler
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[on having television characters based on him:] What you don't see in the media is the lengthy examination of the crime scene, photographs and videotapes, careful examinations of the autopsy and the photos. Oftentimes this takes a considerable amount of time, and there's coordination with the investigating officers to reach a logical conclusion to come up with a profile. The movie portrayal ...
Seeking insights into criminal psychology, he has interviewed John Wayne Gacy, Ted Bundy, Charles Manson, Jeffrey Dahmer, Richard Speck, David Berkowitz, and Edmund Kemper.