The weapon, an AR-15-style rifle, was used to help identify the shooter. Since the end of the Assault Weapons Ban in 2004, the AR-15 has become one of America's most popular firearms.

It's not like there's an electronic fence between New York and the rest of the country,” Dr. Jonathan Metzl told the Mirror ...

ST. LOUIS — A Dutchtown man is facing criminal charges after bringing an AR-style rifle to a homeless shelter in February, according to court records filed Monday morning. The accused, 21-year ...

A 15-year-old boy stormed a small regional airport in Arkansas with an AR-style rifle while demanding a plane -- until he was stopped by a "heroic" pilot who ran and grabbed his own gun, according ...

Brock Peterson covers his heart while holding his custom AR-15 rifle during a pro-Second Amendment rally held in front of the Wyoming Supreme Court in Cheyenne, Wyo., April 14, 2018.

Gun-control debate rages anew after Orlando gunman uses legal AR-15-type weapon. — -- The Orlando nightclub shooter's use of a legally purchased AR-15-type rifle, which President Barack Obama ...