Earlier quoted context omitted.
They don't have to. There are plenty of good cops, but your mileage will vary with the integrity of the local PD. There are these hot beds of systemically bad police precincts and the power structure is organized such that those who could fix it are also those initiating it. A large contributing factor is the military industrial complex spewing out death tech at an absurd rate, and with nobody to blow up with it all…
There's 2.5k people in my town and it's news here (literally) when someone is arrested shopping at the local Wal-Mart. The police have two miltary-issue Humvees, for some reason.
An uparmored Humvee, on the other hand, is problematic.