John Douglas on chasing serial killers

Inside the FBI Unit That Revolutionized Criminal Profiling (S4, E9) | American Justice | Full Ep

John Douglas on the mind of a criminal

The Minds Behind Mindhunter

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

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

Inside the Mind of BTK by John Douglas - Audiobook - Part 1