Tells the true story of how FBI profiler John Douglas tracked and participated in the hunt for one of the most notorious serial killers in US history.

Tells the true story of how FBI profiler John Douglas tracked and participated in the hunt for one of the most notorious serial killers in US history.

What makes a serial killer? Only one man really knows. John Douglas. A man who has looked evil in the eye and made a vocation of understanding it. Now retired, Douglas can let us inside the FBI elite serial crime unit and into the disturbed minds of some of the most savage killers in the world.

Addressing eight great mysteries in the history of crime, including Jack the Ripper, the Boston Strangler and JonBenet Ramsey, the authors take a fresh look at the crimes and dismantle the wisdom regarding the some of the most notorious of crimes and rebuild them - with astonishing results.

Classifies the critical characteristics of the perpetrators and victims of major crimes - murder, arson, sexual assault, and nonlethal acts - based on the motivation of the offender.

A former FBI investigator examines some of his most complex cases and demonstrates how criminal profiling works.