The Brief 16-year-old Colt Gray is changing his plea to guilty on 55 counts stemming from the deadly September 2024 school shooting. Colt Gray, the teenager accused of opening fire inside Apalachee High School in September 2024, changed his plea to plea on Friday morning at the Barrow County Courthouse. The decision to enter a non-negotiated guilty plea on all 55 charges allows the 16-year-old to avoid a criminal trial. Non-negotiated plea avoids Barrow County trialWhat we know:The deadly attack at Apalachee High School in Winder claimed the lives of two students and two teachers, while leaving nine other people injured. Because Gray entered a non-negotiated plea without a deal from prosecutors, the judge retains complete discretion over the final sentence.