October 17, 2012 1:30 pm Ex-Girlfriend Arrested in IB Homicide Case Homicide investigators have arrested a 24 year old woman in the shooting death of her former boyfriend in Imperial Beach. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks