Joseph Moody is a character from Season 7, Episode 1 (Mr. Monk buys a House). He was 89 years old when he was murdered. He had just started a new medicine and was in perfect health condition, although he suffered from dementia. After rambling on about crabapple trees, missing a hat and refusing to talk about a 1968 event, his caretaker, Cassie Drake rolls him up the stairs (while still on his wheelchair) and pushes him down, taking his life.