I'll bet. One thing you notice about these events in recent history is that they happened to already disarmed people (NYC < 60K each long and handgun licenses,

I'll bet. One thing you notice about these events in recent history is that they happened to already disarmed people (NYC < 60K each long and handgun licenses, D.C. all aside from grandfathering, U.K. pretty much all except shotguns, plus effective self-defense has long been illegal), it's most effective that way.