Macmillan Childrens Publishing Group

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.

Robert K. Ressler

Books by the Author

Whoever Fights Monsters
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Whoever Fights Monsters

Robert K. Ressler and Tom Shachtman
St. Martin's Press
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 monsters who walk among us--and put them...

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