TMDb/My Killer Father: The Gre TV A gripping new true crime docuseries, My Killer Father, premieres April 28 on Paramount+. A son claims he was forced to help bury his father's victims. April 28, 2026 AceShowbiz - A gripping new true crime docuseries, My Killer Father: The Green Hollow Murders, is set to premiere on Paramount+ on Tuesday, April 28, at 12 a.m. PT/3 a.m. ET. This three-part series dives into the chilling mystery surrounding the notorious "Monster of Green Hollow," an alleged serial killer who is believed to have murdered dozens of women, including three of his wives.