Only Murders in the Building: We Finally Know Who's Responsible For Tim Kono's Death

Before we learned that Oscar was the mysterious "tie-dye guy," he was one of the most likely suspects for Tim's murder. After all, he was spotted going up the staircase to the roof the night of Tim's murder. However, he eventually told Mabel that while he intended to visit Tim that night, when he got to his apartment door, he heard a gunshot and left the building.