The Latest: AP Source: Texas shooter got gun at private sale

A law enforcement official says a gunman who killed seven people in West Texas had obtained his AR-style rifle through a private sale, evading a federal background check.Officials said Seth Aaron Ator had previously tried to obtain a gun but failed a federal background check.Obtaining the weapon through a private sale, as opposed to buying it through a licensed gun dealer, would've allowed Ator to skirt the background check.