March 6, 2012 1:48 pm Woman Killed by Cannon Deputies say a Potrero man called 911 to report his wife may have been killed with a homemade cannon by accident. NBC 7’s Chris Chan spoke with Sgt. David Martinez with the San Diego County Sheriff’s Dept. 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
