![](/sites/oxygen/files/2022/12/sharon-sellitto-paul-cosner-manifesto-of-serial-killer.jpg)
S1 - E1The Disappearance of Paul Cosner
When a documentary filmmaker sets out to tell the story of the biggest serial killer case in California history, he uncovers a terrifying tale that begins with the disappearance of Paul Cosner.
Aired: 01/01/2023