Oct. 17 (UPI) -- A grand jury on Thursday indicted accused Georgia school mass shooter Colt Gray and his father Colin on dozens of charges arising from the Sept. 4 shooting deaths and injuries. Colt Gray, 14, is accused of killing four and wounding eight at Apalachee High School in Winder, Ga. Two students and two teachers died in the mass shooting. Advertisement The Barrow County Superior Court grand jury indicted Colt Gray on 55 counts, including four counts of murder, 25 counts of aggravated