Digital Original
Proving Homicide First
oxygen Insider Exclusive!

Create a free profile to get unlimited access to exclusive videos, sweepstakes, and more!

Sign Up for Free to View

Proving Homicide First

Kevin Gannon and “Doc” Gilbertson discuss that challange of proving that the Smiley Face Killer deaths were homicides before establishing a pattern and the Smiley Face Theory.

Serial Killers Videos