Whoever Fights Monsters

Discover the techniques used by FBI veteran and ex-Army CID colonel Robert Ressler to track down and capture some of America's most brutal serial killers. Learn how Ressler created psychological profiles of these dangerous criminals using evidence from crime scenes and personal accounts from convicted murderers. Join him on a terrifying journey to understand the mind of a killer and how they choose their victims. Uncover the secrets behind some of history's most notorious murderers and how they were brought to justice.