The vast majority of interactions with the public can be taken care of with non-lethal means, tasers, etc… (if any are even necessary).
Lethal weapons should be in a remote lock holster in their cruiser, and must be unlocked remotely by a supervisor on a per-case basis depending on the facts at hand (suspect’s history, potential risk, etc…)
Maybe that’s pie in the sky optimism, I don’t know.
End qualified immunity, require police to carry insurance like doctors do, end “police vs citizens”, “guilty until proven innocent”, and “you have nothing to worry about if you have nothing to hide” mentality.
Wrongful death suits paid from union pension funds should clear things up fast.
And civil forfeiture