There’s this. Just did a quick google search out of curiosity.
https://www.tmz.com/2021/10/23/alec-...-head-handler/
It sounds bad but there was more than one armorer and I guess it’s still not confirmed if it was a real bullet. Just going by this. It was posted an hour ago.
Thell Reed is a gun expert that works in movies. I did not know who he was until right now.