There would have to be strong controls on the recordings so that (a) the police need a warrant to access it, and (b) they can only view the relevant time and pl

There would have to be strong controls on the recordings so that (a) the police need a warrant to access it, and (b) they can only view the relevant time and place. And I don't mean "a person whose nominal job it is to control access," I mean actual incentives and technological barriers so that unauthorized access becomes difficult to impossible.