Mark Olshaker

‘John Douglas is the FBI's pioneer and master of investigative profiling, and one of the most exciting figures in law enforcement I've had the privilege of knowing’ Patricia Cornwell‘John Douglas knows more about serial killers than anybody in the world’ Jonathan Demme, Director of The Silence of the LambsThe legendary FBI criminal profiler, number-one New York Times bestselling author, and inspiration for the hit Netflix show Mindhunter delves deep into the lives and crimes of four of the most...