Questions remain in school bus shooting

Published On: Nov 22 2012 06:27:29 PM EST   Updated On: Nov 23 2012 08:51:45 AM EST

Police say Lourdes Guzman was accidentally shot and killed by 15-year-old Jordyn Howe. Now, many people are wondering how a gun could end up on a school bus in the first place. Bob Norman investigates.