Popsugar Entertainment Hulu Only Murders in the Building: Who Killed Tim Kono? Only Murders in the Building: We Finally Know Who's Responsible For Tim Kono's Death October 19, 2021 by Kelsie Gibson First Published: September 1, 2021 View On One Page Photo 3 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Mabel It was hard to believe that Mabel would be digging into a murder she committed, and by episode two, it was confirmed that she wasn't Tim's killer. Previous Next Start Slideshow HuluTVOnly Murders In The BuildingTheoriesStreaming