A sign declaring Stillwater Junior High School as a drug free and gun free zone is pictured outside the school in Stillwater, Oklahoma, where in 2012 a 13-year-old student shot and killed himself in a hallway at the school before classes began.
A sign declaring Stillwater Junior High School as a drug free and gun free zone is pictured outside the school in Stillwater, Oklahoma, where in 2012 a 13-year-old student shot and killed himself in a hallway at the school before classes began. Sue Ogrocki AP
A sign declaring Stillwater Junior High School as a drug free and gun free zone is pictured outside the school in Stillwater, Oklahoma, where in 2012 a 13-year-old student shot and killed himself in a hallway at the school before classes began. Sue Ogrocki AP