They are going to try and lose the key when they lose him up, New York do not play well.
With my fortunately limited experience with public transit in NYC I might have to agree with this gentleman’s choice of defensive tools for such a treacherous journey.
Unfortunately for him, NYCs anti gun laws are going to have him behind bars for a long time. Not a smart move regardless of his motives.
I served with a guy from NYC, and we were gearing up to go out on patrol one day, full gear with belt fed machine gun, grenades, knives, the whole bit. He looked down at himself and started to chuckle. “What?” I asked. “Man, with all this, I still wouldn’t get on an A train…”