Doesn't look serious enough to take care of a puppy, and is the head armorer on a movie.
Warning trash picture of her : https://www.the-sun.com/news/3926657/who-armorer-hannah-gutierrez-reed/
I might sound crazy here, but I'm almost convinced this was just another form of a Hollywood sacrifice. Her shirt explains it. Even if no one else knew, I feel like this was already planned out. This will also be another way to encourage gun control. I don't know, it seems like some weird Luciferian ritual stuff.