Apalachee High School shooter Colt Gray sentenced to life without parole NBC NewsGeorgia school shooter Colt Gray sentenced to life in prison without parole CNNTeen gets life without parole for killing 4 at Georgia’s Apalachee High School WTVCTeen sentenced to life without parole for deadly mass shooting at his high school YahooJail calls with mom, comments reveling in school shooter notoriety played at Colt Gray sentencing hearing; grandmother testifies he's changed 11Alive.com