I Know Who Did Itonly Murders In The Building :... Apr 2026

The killer is revealed to be (born Becky Butler), who was the long-suffering assistant to podcast mogul Cinda Canning.

: She was working with Detective Daniel Kreps , with whom she was romantically involved. I Know Who Did ItOnly Murders in the Building :...

While this episode concludes the Season 2 mystery, later seasons continue the trend of ending with a fresh death. For example, the Season 4 finale ends with the discovery of dead in the Arconia's fountain, which serves as the central mystery for Season 5. The killer is revealed to be (born Becky

: The trio successfully baits her into confessing by staging a fake reveal where they initially accuse others, eventually making her so frustrated that she slips up and mentions details only the killer would know—specifically, Bunny's final words about a " 14 Sandwich " (her favorite order at the local diner). Key Story Outcomes Justice : Both Poppy and Detective Kreps are arrested. For example, the Season 4 finale ends with

: The episode jumps one year into the future to the opening night of Oliver's new Broadway play. Just as the show begins, the lead actor, Ben Glenroy (Paul Rudd), collapses and dies on stage, setting the stage for Season 3. Future Arcs

: Poppy wanted to escape her past as Becky Butler and gain fame by creating her own viral true-crime story. She killed Bunny to provide the "perfect" murder mystery for a new podcast that would rival Cinda's.