Robert K. Ressler

Robert K. Ressler retired as a supervisory special agent of the FBI as a reserve colonel in the U.S. Army's Criminal Investigation Division (CID). He resides outside of Fredericksburg, Virginia, and is director of Forensic Behavioral Services, a business dedicated to training, learning, consulting, and expert witness testimony.



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books
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I Have Lived in the Monster

Robert K. Ressler and Tom Shachtman
St. Martin's Paperbacks

From their gruesome, body-strewn lairs, to the darkest regions of their twisted psyches, Robert K. Ressler shows you serial killers as you've never seen them...


Available In:

Book
Whoever Fights Monsters

Robert K. Ressler and Thomas Schachtman
St. Martin's Paperbacks

Face-to-face with some of America's most terrifying killers, FBI veteran and ex-Army CID colonel Robert Ressler learned form then how to identify the unknown...


Available In:

Book
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