matthew56, with all due respect, I have a couple of questions. If the attacker, Ftouhi, had had a gun, how many more would he have harmed or killed? Assuming that Neville, the officer who was stabbed, was armed, why wasn't he able to shoot the attacker before he was stabbed? The argument that more guns in people's hands will reduce the number of these attacks seems to fall apart in this case. Having a gun didn't protect the officer, and if Ftouhi had had a gun, he would probably have succeeded in killing Neville and others as well.