35 Serial Killers the World Wants to Forget

The Depths of Depravity (1x8)

Air date: May 16, 2018

Gerald Gallego and Charlene Williams were a toxic mix that led to the rape, bludgeoning and murder of 10 people in just over two 2 years. During LA's crack epidemic, there were few clues to hint that neighbourhood 'go-to-guy', Lonnie Franklin would be 'The Grim Sleeper' who raped and murdered women over three decades.