Couch, 32, has evaded capture since Saturday, after he allegedly used an AR-15 to shoot at unsuspecting drivers from a cliff ledge next to Interstate 75, near London, Kentucky, according to authorities.
Teen boy was shot in the head by a Colorado councilman while scouting photo locations with a friend.
According to the Georgia Bureau of Investigation, the semi-automatic rifle could not be broken down, but Gray managed to hide it in his backpack and bring it onto the Winder, Georgia, campus Sept. 4.
Couch, 32, has evaded capture since Saturday, after he allegedly used an AR-15 to shoot at unsuspecting drivers on Interstate 75, near London, Kentucky, according to the FBI.
