Ever relevant

That defense works for civilians who aren't trained to handle situations like that, cops should be trained to a) de-escalate, b) disarm a subject without just straight up murdering them. Granted, your fight or flight instinct kicks in and you do anything to survive, that can happen to all humans including cops. But maybe we should examine why it happens so often and so disproportionately in the US and specifically towards minorities in the US, compared to for example European countries?