Dive into the Dark Minds of Serial Killers and Sexual Predators With twenty-two years in the FBI, sixteen of them as a member of the Bureau's Behavioral Science Unit, Roy Hazelwood has delved deep into the twisted psyches of serial killers and sadistic sexual offenders. Acclaimed true-crime writer Stephen G. Michaud takes you into the heart of Hazelwood's work, exploring dozens of startling cases like the Lonely Heart Killer, the "Ken and Barbie" killings, and the Atlanta Child Murders. In The Evil That Men Do, Michaud and Hazelwood go beyond the lurid details to provide a profound understanding of the depraved minds behind these gruesome crimes. With keen insights from one of the world's foremost experts on criminal behavior, this stark and fascinating work offers a chilling glimpse into the darkest recesses of the human psyche. Brace yourself for a true crime journey you won't soon forget.