Mr. Monk Gets Married - S2-E15
Factual error: Disher gets the armoire open and recoils from the smell of the dead body inside, despite it being wrapped in plastic. But he somehow didn't smell it before getting the door open, despite it providing hardly any protection from a smell like that.
Answer: The two men are trying to work out a secret deal between them without involving the union, which means the workers' interests aren't being represented and defeats the whole purpose of a union. The mayor would lose labor's support and Cusack's union troubles would just be starting.
Captain Defenestrator