Dog defends Minneapolis family after man attacks mother with hammer in her home (Pit Bull)

A Minneapolis mother is recovering from a terrifying attack inside her home. Maria Grant sustained severe injuries that left her with six staples in her head. She said she's recovering physically, but the emotional toll is only growing with her attacker on the loose. About three weeks ago, Grant says she heard a knock at the door just before 9 p.m. and opened it. She says she was met with a hammer. "He's just hitting me over the head with a hammer, and all I'm feeling is the hits and then the waves of blood coming down my face and...