Police need to be autonomous from the political bodies that provide funding and write the laws that the police enforce. Without autonomy, the police become the "brown shirts" for unethical regimes. Yet, we need police oversight. If the community is the customer and oversight, we may end up with too much local mores and favoritism for the "locals sons" vs. outsiders. Citizen oversight boards and professional ombudsmen are both often accused of going "native" becoming rubber stamps for whatever the cops want. Perhaps Inspector General positions made up of retired judges would be an appropriate remedy?