If you're trying to change officer behavior I suggest you start with training manuals and procedures. Then move on to actually train officers for a few years be

If you're trying to change officer behavior I suggest you start with training manuals and procedures. Then move on to actually train officers for a few years before putting them on the street. But yeah, it's expensive, so it's more convenient for Americans to be tough on crime. The fix here is likely political... body cams are a desperate attempt to make things a tiny bit better...