A 15-year-old student at Arizona's Bostrom High School was taken into custody Friday after administrators were tipped off that he carried an AR-15 semi-automatic rifle and ammunition to school.

St. Louis school shooter had an AR-15-style rifle, 600 rounds of ammo and a note saying ‘I don’t have any friends. I don’t have any family,’ police say ...

A former Berkeley High School student was arrested for possessing illegal firearms, including an AR-15-style rifle, after a video showed him with a weapon near the school. Multiple charges were filed ...

Police arrested a 15-year-old student after he allegedly brought an AR-15 and ammunition to a Phoenix high school on Friday, authorities said.. The student is facing "serious felony charges" after ...

The student was 15 years old. Police arrested a student at Bostrom High School in Phoenix , Arizona for bringing an AR-15 and ammunition onto school grounds. Fox News Media ...

The two stores sold thousands of rounds of AR-15 rifle ammunition to undercover investigators without asking for identification or permits, a violation of states Gun Industry Public Safety Act ...

ST. LOUIS — The 19-year-old gunman who killed a teacher and a 15-year-old girl at a St. Louis high school was armed with an AR-15-style rifle and what appeared to be more than 600 rounds of ...

DeWitt, N.Y. — The man who hit his mother with a gun in DeWitt on Monday had an illegal AR-15 rifle, ammo, and a machete, police said. Around 1:45 p.m. a 911 call reported a 32-year-old man ...

FORDLAND, Mo. (KY3) - A truck driver from Illinois has been charged with stealing an AR-15, ammo, and other items from a Fordland gun store during an event earlier this month. Court records say 47 ...

A search warrant conducted at O’Connor’s Brentwood Lane home in Burlington found additional completed Glock-style ghost guns, along with frames and components of uncompleted handguns and AR-15 ...

DeWitt, N.Y. — The man who hit his mother with a gun in DeWitt on Monday had an illegal AR-15 rifle, ammo, and a machete, police said. Around 1:45 p.m. a 911 call reported a 32-year-old man ...