Girlfriend in trouble....ugh?

My girlfriend exboyfriend came and knocked on her window at midnight yesterday to get some. Im going to kill this kid when i find him but the point is. Her dad went crazy. Broke her phone and her computer is most likely gone, not to mention her cat. Damn I loved that cat. Fck!! So someone please tell what I should do? I never been in this position! I'm trying to comfort my baby but at the same time I don't know what to say to her. She doesn't want to lose me and hurt me by this but it's already hurting because I talk to her A LOT and going without talking a few days is going to hurt...bad but I'll be okay. Someone guide me and tell me what I should do about this situation...