What the heck is a Chinese student doing with that kind of hardware? Is there some sort of Chinese handbook that says: “as soon as you settle in the American university, seek out a nefarious dealer of illicit firearms, ammunition, and ammo vests/body armor”. I would think a foreign student isn’t here long enough to form that much of a gripe (barring some outside influence).
If you are a nut, you are a nut. Doesn’t matter how long he’s around.