U.S. teen gets life in prison without parole for killing 4 in Georgia high school shooting  CTV NewsLooking a school shooter in the eyes: How teenage victims confronted Colt Gray in court  CNNTeen sentenced to life without parole for deadly mass shooting at his high school  YahooApalachee High School shooter Colt Gray sentenced to life without parole  NBC NewsU.S. judge weighs whether Georgia school shooter should get a chance at parole  CP24