From their gruesome, body-strewn lairs, to the darkest regions of their twisted psyches, Robert K. Ressler shows you serial killers as you've never seen them before.In his phenomenally successful Whoever Fights Monsters, Robert K. Ressler examined his brilliant twenty-year career hunting down killers for the FBI. Now, delving deeper than ever before into the criminal mind, Ressler recounts his years since leaving the FBI, working as an independent criminal profiler on some of the most famous serial murder cases of our day.Ingeniously piecing together clues from crime scenes, along with killing patterns and methods, Ressler explains his role in assisting the investigations of such perplexing international cases as England's Wimbledon Common killing, the ABC Murders in South Africa, and the deadly gassing of Japan's subway. We're also witness to Ressler's fascinating, in-depth interviews with John Wayne Gacy, the first and last one America's most prolific serial killer would ever grant, plus a shockingly candid discussion with "cannibal killer" Jeffrey Dahmer.Daring to understand the depraved minds of serial killers, Robert K. Ressler returns from the deepest abyss with an unforgettable account that is as riveting as it is shocking.