Surveillance photographs and video footage shows the 28-year-old transgender suspect who attacked the Nashville Christian school was using a carbine which fires pistol rounds, not an AR-15.

The 28-year-old was armed with three firearms, and police photos of the guns show that an AR-15 was not one them.

The firearms were an AR-pistol, a handgun, and a carbine. The type of carbine possessed by the attacker uses 9mm or .40 caliber handgun rounds.