For 19-year-old Emerson Colindres, it was supposed to be a routine check-in with Immigration and Customs Enforcement.

The 36-year-old gunman who killed seven people and wounded 22 others in West Texas on Saturday purchased his AR-style rifle from ... gunman to evade a federal background check.

Oxnard Police Department agents arrested a 50-year-old man for firearm and narcotics charges at a traffic stop on F and ... and an unserialized semi-automatic AR gun. The 50-year-old had ...

AR-15 style rifles for sale at Davidson ... to states that already require comprehensive background checks by making it more difficult to traffic guns across states lines.” ...