Prentiss Carr, I wonder if he's any relation to Jimmy Carrr or Emily Carr or, umm, someone else with that last name.
We've got more bad cops in this one. Seems a running theme, makes sense. That said, it is sort of gutsy for a show in 1974.
It's also another blackmail episode. It seems like this was an epidemic in the mid 70s.
'Stay our of Bay City' is something that should have been said to the Rollers.