Make them prove it. If not, they can fuck themselves. Admit nothing.
I'm just hoping nothing comes of it. We took pictures of each other's insurance and drove off, less than a five minute ordeal. It honestly seemed like a nothingburger, and if it was his car I wouldn't even be thinking about it because he was as cool about the situation as I was. It's the third party estrogen-driven brain involved in the incident that gives me slight concern.