In the Only Murders in the Building episode " Double Time " (Season 1, Episode 9), Charles, Oliver, and Mabel face eviction from their building residents, while Charles’s stunt double, Sazz, shakes up his life. The trio faces a massive setback when the residents, led by Bunny, vote to remove them, causing Charles to leave the group for his relationship with Jan. The investigation pivots to Jan after Mabel and Oliver discover a piece of evidence that directly links her to the murder, a suspicion confirmed when Charles finds she lied about her career. The episode ends with the realization that Jan is likely the culprit they are pursuing.

'Only Murders in the Building': Season 1, Episode 9 - Vulture