Plot Synopsis

MANIFESTO OF A SERIAL KILLER is a three-part documentary series that follows a documentary filmmaker who sets out to tell the story of one of the biggest serial killer cases in California history. Along the way, he uncovers a terrifying tale that begins in 1984 wit the disappearance of San Francisco resident Paul Conser. as investigators search for Cosner, they discover Leonard Lake's cabin, where among buried human remains they find Lake's recorded manifesto. When Lake's accomplice, Charles Ng, flees the country, a manhunt ensures and the fight for justice begins.

On Saturday, December 31, 2022 at 9pm ET/PT, Oxygen premiered a one-hour sneak peek of the series.

One day later -- on Sunday, January 1, 2023 from 7-10pm ET/PT, Oxygen premiered all three episodes of the series:

"The Disappearance of Paul Cosner" (7pm): When a documentary filmmaker sets out to tell the story of one of the biggest serial killer cases in California history, he uncovers a terrifying tale that begins with the disappearance of Paul Cosner.

"Operation Miranda" (8pm): With the discovery of Leonard Lake's cabin, investigators find the hidden cell where Lake kept his victims and begin to dig up human remains. They also unearth Lake's recorded manifesto, which details his depraved plans for "Operation Miranda."

"The Hunt for Charles Ng" (9pm): When Lake's accomplice, Charles Ng, flees the country, an international manhunt ensues. The victims' families, including Paul Cosner's sister, Sharon Sellitto, fight to bring Ng to justice and answer for the crimes he committed with Leonard Lake.