As she's going into her home...in broad daylight.
Her SA was up... but she wasn't strong enough to stop his barging in, throwing her to the floor and attempting to sexually assault her... she fought back and bit him in the hand... He fled.
Washington state... Story here
Near as I can tell from Handgunlaw, it would have been legal for her to carry on the bus with a permit. Some states don't allow carry on public transportation.