Colin Gray, father of a 14-year-old accused of going on a shooting rampage at Apalachee High School, allegedly purchased his son a weapon

The father of a 14-year-old responsible for a September school shooting in Georgia pleaded not guilty to charges of second-degree murder, involuntary manslaughter and cruelty to children on

The accused shooter at Apalachee High School in Georgia, where four were killed, and his father have both now entered not guilty pleas.