An FBI background check banned Orlando Harris, 19, from purchasing a gun from a licensed dealer. He was able to purchase the alleged school shooting weapon from a private dealer.
Orlando Harris, 19, who used an AR-15 style rifle in the attack, brought over 600 rounds of ammunition to the school, police said, adding they also found a note stating his desire to carry out the shooting.
Orlando Harris, 19, who used an AR-15 style rifle in the St. Louis shooting on Monday, had left a chilling note describing himself as a loner before entering the school and killing a student and a teacher.