Thank you all...my boss was very nice and talked to the local police, and then we had a staff meeting about preparation in case something like that happens again. I feel a little better. I've been trying not to let this upset my equilibrium and send me into an anxiety spiral. I guess the word is triggering...when something like this happens I often feel upset for days and get way oversensitive to everything.

I may have been the only one really upset over it, the others in the office were kind of like "whatever" in retrospect. I guess maybe my existing issues make me more prone than others to having a bad reaction to feeling threatened?

I'm trying to talk myself down, that even if I was the only one who was freaked out, it's okay, I'm not bad or wrong for that, it wasn't overreacting to want to be proactive about our safety in the office. Otherwise I might start ragging on myself for even bringing it up to my boss and feel stupid and embarrassed for being upset. I struggle a lot with it being okay to feel things and admit to other people that I'm feeling things. I always expect to be trashed for it. It was nice that my workplace took me seriously.