OVERRIDE

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. He is the author of Whoever Fights Monsters.

BOOKS BY THE AUTHOR

Whoever Fights Monsters

Robert K. Ressler and Tom Shachtman

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 monsters who walk among us--and...

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