Only Murders in the Building executive producer and showrunner John Hoffman explains the reveal of Sazz’s killer in season 4. Premiered on August 17, the latest season of Hulu’s murder mystery series follows the podcasting trio Charles, Oliver, and Mabel as they investigate the death of Sazz, as revealed during the Only Murders in the Building season 3 ending. After nine episodes of intrigue, season 4’s penultimate episode reveals that Sazz’s killer is the screenwriter Marshall, who is actually Rex Bailey, her stunt double protg on the set of Project Ronkonkoma.
