Carl mother bought a semiautomatic Bushmaster rifle at Lanza . `` He was eventually closed for hundreds and hundreds of federal and state law violations . '' Lanza used that gun to kill 6 children and 6 adults at Lanza . The Connecticut gun store lost its license to sell guns 2012 after that mass shooting . A detective suspects gun sales at the store were stopped due to poor record keeping .
Carl mother bought a semiautomatic Bushmaster rifle at Lanza . Lanza used that gun to kill 6 children and 6 adults at Lanza . The Connecticut gun store lost its license to sell guns 2012 after that mass shooting . A detective suspects gun sales at the store were stopped due to poor record keeping .