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It's a sad fact in the USA that you might encounter an armed criminal almost anywhere. I have personally seen a bunch of crimes involving gunfire, rather than mere brandishing of weapons. On the other hand, police carry a lot of weapons, typically a handgun, pepper spray, a taser, a baton, and a heavy switchblade knife, plus a shotgun or rifle in the car. But they're relatively poorly trained and (even taking police claims at face value) deaths of civilians have resulted from confusion involving use of the wrong weapon. Another factor is that urban areas are often policed by people who live in surrounding suburban towns, and end up feeling like they're going to work in a war zone every day because they are not embedded in the communities they ostensibly serve. |
https://www.pewresearch.org/fact-tank/2017/02/08/a-closer-lo...
There's tons of dangerous things we could carry around just in case, but we don't because they'd be seen as aggressive.