If we can't train police officers without turning them into rabid attack dogs that need to be leashed at all times, then you've just made the best argument that I've ever heard of for abolishing the police. Try to guess again.
fishermen: 86.0 annual deaths per 100k
pilots: 55.5 annual deaths per 100k
pizza delivery: 24.7 annual deaths per 100k
police: 14.6 annual deaths per 100k
Also more dangerous than being a cop: roofers, garbage collectors, iron and steel workers, truck drivers, farmers/agricultural, construction/extraction, grounds maintenance, mechanics/installers/repairers.
There’s a lot of fetishised, institutionalised propaganda out there regarding the noble policeman, putting themselves in supreme danger every day to hold back the tides of evil that threaten to destroy society.
Reality is quite different