Some are. Usually on a campaign of "law and order", which makes Flock cameras an easy sell to their voting base. Because they let you keep an eye on the sort of people who are likely to be criminals. You know. Those people.

They themselves generally don't mind the invasion of privacy, at least not until it catches them specifically. In general they are much, much more afraid of the "crime wave" than of the police. (A crime wave which never seems to diminish, despite more and more policing and punishment. And which is contradicted by crime statistics.)

Depends on the type of police. Sheriff's are, I know. But I'm pretty sure city chiefs and state chiefs are just appointed by other elected officials. So I guess one step removed?

Generally the county Sheriff is elected, but the city police chief is usually appointed by civilian government.

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