Gordo: She probably got depressed after you spoke to her. All those memories about the murder bubbling up.
Adrian Monk: I don't think so. There's one set of fingerprints on the glass.
Gordo: Yeah, they're hers.
Adrian Monk: But look, she's wearing lipstick. There's no lipstick on the glass. Somebody wiped down the glass and then put it back in her hand.
Captain Stottlemeyer: Okay, this is now a homicide investigation. Lock this joint down. Nobody touches anything. Fabio, go and borrow a notebook, and borrow a pencil and start talking to neighbors.