Fugitives Caught on Tape: Bystander Helps Pregnant Officer Apprehend Wanted Man

Authorities question a woman who traveled with a serial killer about whether she was a victim or an accomplice.

An officer stumbles upon an abandoned corvette crashed into an electrical pole in this bonus scene from "Gangland."

Former narcotics officer Kevin Simmers fought the "war on drugs" until tragedy struck close to home.

Check out some of Uncle Si's best moments from across the series.