Here’s what not to bring with you next time you’re craving mediocre soft serve: a grenade. That’s right! I’m sorry, but just leave it at home. Otherwise you’ll end up like Renee Deshaies, 30, a homeless Arizona woman who bought an ice cream in Mesa on Thursday and also threatened DQ employees with a grenade she had in her pocket. Deshaies was under the impression that the grenade was real, though it turned out to be just a training grenade. She was arrested about a mile away from the scene. Here is her requisite terrifying mugshot.