America's Serial Killers: Portraits in Evil

To Catch A Serial Killer (1x9)

: 24, 2009

Episode Nine explains how killers such as, The Green River Killer and BTK, were caught. Usually using sheer luck, or small, seemingly insignificant items. Interestingly, it also pokes a finger at the cops saying how they are reluctant to involve the FBI, or even share information between one another.