Legendary FBI profiling pioneer John Douglas's theory is that once you figure out the motivating force driving a perpetrator, you've got a good chance of cracki

Includes material on "the Trailside Killer in San Francisco, the Atlanta child murderer, the Tylenol poisoner, the man who hunted prostitutes for sport in the w

From the internationally bestselling authors of Mindhunter, a riveting exploration of the root of all crime. Every crime is a mystery story with a motive at its

New York Times bestselling author of Mindhunter John Douglas reveals more unique cases from his time as head of the FBI's elite Investigative Support Unit. In t

Who are the men committing the rising number of serial homicides in the U.S. -- and why do they kill? The increase in these violent crimes over the past decade