Cover of I Have Lived in the Monster by Robert K. Ressler

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Cover of Whoever Fights Monsters by Robert K. Ressler

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Cover of Justice Is Served by Robert K. Ressler

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Cover of Sexual Homicide: Patterns and Motives- Paperback by John E. Douglas

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Cover of Dressed to Kill by Margaret Duffy

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Cover of Sexual Homicide by Robert K. Ressler

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Cover of Crime Classification Manual by John E. Douglas

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