Mr. McCarthy appeared via video at his arraignment Friday at the Henry County Courthouse in Clinton.
He is charged with first-degree murder and Armed Criminal Action in the the shooting death on Sunday evening of Clinton Officer Gary Michael.
McCarthy's next court appearance is scheduled for Oct. 20.
Officer Gary Michael was shot after he stopped a driver for a traffic violation.
Prosecutors say McCarthy jumped out of his car and fired at the officer before driving a few blocks, crashing the car and fleeing on foot.
McCarthy was arrested after a two-day manhunt when he was spotted walking down U Highway near Bucksaw Marina.
The judge did not set a bond.