http://www.articleheaven.net en-us editorial@articlealley.com Do you know what is school shooting? Perhaps the Virginia Tech massacre will sound a bell, right? School shooting refers to the spree killing and mass murder within the school or university with the gun as the tool. Such spree killing that randomly targe... http://www.articleheaven.net/securer-school-security-907945.html 29th May 2009