Nov. 21 (UPI) -- Colin Gray, father of accused Apalachee High School shooter Colt Gray, pleaded not guilty Thursday and waived his appearance at an arraignment hearing in Winder, Ga., as he faces ...

Lyela Sayarath, a junior at Apalachee High School, said a fellow student didn't open the classroom door after apparently seeing the suspect's firearm.

Colt Gray, charged as an adult with four counts of murder, sits in the Barrow County courthouse during his first appearance for the shooting at Apalachee High School, Sept. 6, 2024, in Winder, Ga ...

Colin Gray, 54, the father of Apalachee High School shooting suspect Colt Gray, 14, enters the Barrow County courthouse for his first appearance, on September 6, 2024, in Winder, Georgia.

FILE – Colin Gray, the father of Apalachee High School shooter Colt Gray, enters the Barrow County courthouse for his first appearance, Sept. 6, 2024, in Winder, Ga. (AP Photo/Brynn Anderson ...

Colin Gray, 54, the father of Apalachee High School shooter Colt Gray, 14, sits in the Barrow County courthouse for his first appearance, Sept. 6, 2024, in Winder, Ga.

WINDER, Ga. (WANF /Gray News) - Colin Gray, the father of the teen suspect in September’s deadly Apalachee High School shooting, pleaded not guilty and waived his court arraignment on Thursday.

Colin Gray, the father of alleged Apalachee High School shooter Colt Gray, enters the Barrow County courthouse in Winder, Georgia, for his first appearance on Sept. 6.

FILE - Colin Gray, 54, the father of Apalachee High School shooter Colt Gray, 14, sits in the Barrow County courthouse for his first appearance, Sept. 6, 2024, in Winder, Ga. (AP Photo/Brynn ...

WINDER, Ga. (WANF /Gray News) - Colin Gray, the father of the teen suspect in September’s deadly Apalachee High School shooting, pleaded not guilty and waived his court arraignment on Thursday. Gray’s ...