A demented serial killer taunts a retired police detective with a series of lurid letters and emails, forcing the ex-cop to undertake a private, and potentially felonious, crusade to bring the killer to justice before he can strike again. Based … Brendan Gleeson, Jharrel Jerome, Holland Taylor, Breeda Wool, Justine Lupe, Harry Treadaway, Maximiliano Hernández Added on Amazon Prime 2023-07-20. Youtube Trailer