The documentary explores what it’s like to grow up the child of one of the most prolific serial killers in American history, Gary Ridgway, the infamous Green River Killer. This special unpacks Ridgway’s horrific crimes, the double life he led, … Amanda Jacobson, Olivia LaVoice, Stephanie Harlowe, Mark E. Safarik, Diane LaPointe, Brittany Ransom, John Platt Added on HBO 2023-06-27.