You aren’t a cop. I’m 100% in agreement that if a citizen gets attacked by a knife wielder, the use of lethal force in defense is fine. However cops are profess

You aren’t a cop. I’m 100% in agreement that if a citizen gets attacked by a knife wielder, the use of lethal force in defense is fine. However cops are professional peace keepers. They have training, equipment and numbers on their side. You can watch videos of European cops dealing with a knife threat, it’s really not hard.