Bonnie Colwell (Self - Joseph DeAngelo's Ex-Fiancée), Patton Oswalt (Self - Michelle's Husband), Larry Crompton (Self - Ret. Detective, Contra Costa County), Billy Jensen (Self - Crime Writer, Citizen Detective), Richard Shelby (Self - Ret. Detective, Sacramento), Paul Holes (Self - Ret. Chief of Forensics, Contra Costa County), James Joseph DeAngelo (Self - Golden State Killer), Linda O'Dell (Self - East Area Rapist Survivor #20), Melanie Barbeau (Self - Citizen Detective), Jennifer Carole (Self - Daughter of Lyman Smith)