Former FBI agent John Douglas, the inventor of criminal profiling, leads a journey into the minds of the 20th Century's most notorious killers, including Charles Manson, John Wayne Gacy, and Jeffrey Dahmer.
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Former FBI agent John Douglas, the inventor of criminal profiling, leads a journey into the minds of the 20th Century's most notorious killers, including Charles Manson, John Wayne Gacy, and Jeffrey Dahmer.
