John Douglas on chasing serial killers

John E. Douglas: Mindhunter

Know Their Motive | John Douglas Teaches How to Think Like an FBI Profiler | MasterClass

The Different Types Of Serial Killer | The FBI Files

MINDHUNTER CRIMINAL PROFILING LEGEND JOHN DOUGLAS EPISODE PREMIERE ON S 1 OF ABOUT THE AUTHORS TV

John Douglas on the mind of a criminal

The real-life 'Mindhunter' reveals the most evil criminals he's interviewed | Your Morning