What if the law says explicitly that an officer in uniform without a badge and name tag has no legal authority and can be presumed to be committing a felony?
The most important part of law, is law ENFORCEMENT. If you do not assign someone to enforce a law that is written, then it will be ignored.
Maybe have the top-level official be elected at a very-fine granularity, but with the power to enforce across locality lines? Like—elect at the county level, but can enforce anywhere in the State?
Frankly, the American people don't care enough to know their own President, Representative, Senator, Mayor, Governor, Sheriff, School Board, HOA committee members, county commission, and PTA board.
If anything, we need more power consolidated into fewer people. So that Americans know who to blame. In many cases, these "police brutality" issues are extremely local, caused by the local Sheriffs of each individual location. And yet, people don't know who to blame when these things happen.
There are too many positions, so officials can hide behind the confusion and avoid responsibility.