John E. Douglas

‘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 wo…

‘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 wo…