Police: 12-year-old gunman injured 2 in N.M. school shooting

      |A 12-year-old boy opened fired at a Roswell, N.M. middle school, seriously injuring two students, before surrendering, according to police. Sources say the alleged gunman used a shotgun and the shooting lasted about 10 seconds before he was confronted by a staff member and dropped his weapon. Bob Orr reports.

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