Alright, how bout this:
New Mayor or similar Police affiliated body in some place is ungodly corrupt, like the cops are getting away with murder, tampering with evidence and often turning a blind eye to basic crimes. because UV presence in the area is small, this goes almost unnoticed until The Bank Robbery thing in Atlanta, which is at first played off as a Society of Anarchy ploy but once one of the heroes go digging they can find the paper trail which connects them, the police dog piles them, making it a case of who's word to trust and yatta yatta




