It seems obvious that this plays a role, but I expect a large proportion of guns to be illegally owned, so repealing the 2nd amendment won't magically solve the

It seems obvious that this plays a role, but I expect a large proportion of guns to be illegally owned, so repealing the 2nd amendment won't magically solve the problem (and it seems unproductive to try either way). I think the fundamental problem is fear, whether justified or not, it's what causes cops to react with disproportional violence.