Paul Cosner disappeared without a trace in November 1984. The discovery of his vehicle seven months later would lead San Francisco Police Department investigators to a remote property in California's Sierra Nevada Mountains, and uncover the most gruesome serial murder case in California history.

Whilst Manifesto Of A Serial Killer details the torturous serial murder case of Leonard Lake and Charles Ng, it tells the beautiful story of one woman's love for her missing brother and her journey to find him, and to receive justice for his murder. It also details the relentless efforts of law enforcement officials who worked vehemently to solve the case.

Four years in the making, the show was conceived, directed and executive produced by Todd Howe for NBC / Peacock