New True-Crime Series Murder in Big Horn for Showtime Jamie Stalcup January 6, 2023 Top Stories Showtime Documentary Films’ Murder in Big Horn is set to debut on Showtime’s streaming platforms on February 3 and on the linear network on February 5. The content you are trying to access is only available to members. Log In Register Fairhaven Matthew Galkin Murder in Big Horn Razelle Benally Showtime Documentary Films 2023-01-06 Jamie Stalcup Share