Mr. Monk and the Very, Very Old Man - S2-E5
Visible crew/equipment: In the scene where Captain Stotlemeyer is putting one of the large snakes back in the glass container, he turns and the base of his wireless microphone is visible when his jacket gets bunched up.
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