But it is still possible to prepare police officers for such situations. Don't know about US but in my country police officers: a) are never alone, always a pa

But it is still possible to prepare police officers for such situations. Don't know about US but in my country police officers: a) are never alone, always a pair of them on patrol b) are supposed to be trained in combat to reasonable skill level c ) carry their own meele weapons (batons) d) (often) carry a taser That should give them enough advantage over a man with metal pipe to subdue him without using guns. And if that's not enough, then maybe we should give them additional equipment (pads, helmets, shields, etc.) so they don't have to resort to guns.