I shrugged as Severus and I exchanged a look. "No idea. Not down to the Department of Mysteries, I hope." Katie stood over the fallen body of Fenrir Greyback, and unloaded the rest of her magazine on the remains. The body spasmed as the silver got into his veins, the poison burning him from the inside out. Without blinking, she switched over to the red ammo and set his dying body aflame.