The Brief Colt Gray, 16, was sentenced Tuesday to life without parole for the September 2024 Apalachee High School mass shooting. Colt Gray, the 16-year-old accused of killing two students and two teachers in Apalachee High School in September 2024, was sentenced on Tuesday by a Barrow County Superior Court judge to life without parole after entering a non-negotiated plea. Apalachee High School sentencingWhat we know:A Barrow County judge sentenced 16-year-old Colt Gray to life in prison without parole Tuesday after he pleaded guilty to 55 counts, for killing four people and injuring 11 others at Apalachee High School. Barrow County Superior Court Judge Nicholas Primm sentenced 16-year-old Colt Gray to serve life in prison without the possibility of parole. Defense attorney W. Charlton Allen argued that Gray was not irretrievably broken and sought parole eligibility to offer hope.