He grabbed three guns from the house -- a semi-automatic AR-15 assault rifle made by Bushmaster ... came in at "approximately" 9:30 a.m. "Sandy Hook school. Caller is indicating she thinks someone ...

A tip to the Sandy Hook Promise Say Something Anonymous Reporting System prevented a mass shooting this month at Mooresville ...

The gunmen in two recent mass shootings, in Uvalde, Texas, and Buffalo, New York, both used AR-15-style weapons. It was the same gun type used to kill children at Sandy Hook Elementary School in ...

A call to an anonymous tip line created after the 2012 shooting at Sandy Hook Elementary School in Newtown ... The tipster ...

Letter from the editor: Why we are showing the impact of bullets from an AR-15 on the human body Noah was found dead on the floor of Classroom 8 at Sandy Hook Elementary on Dec. 14, 2012.

Indiana Teen Obsessed with Mass Shooters Arrested for Planning School Shooting, Trinity Shockley, Mooresville High School, ...

A US teenage girl was arrested on Tuesday for allegedly plotting a mass shooting at her high school in Indianapolis.

Twenty-six people -- 20 students and six adults -- were shot and killed at the Sandy Hook Elementary School ... from the house -- a semi-automatic AR-15 assault rifle made by Bushmaster and ...

Twenty-six people -- 20 students and six adults -- were shot and killed at the Sandy Hook Elementary School ... from the house -- a semi-automatic AR-15 assault rifle made by Bushmaster and ...

A Connecticut judge denied a motion to dismiss a lawsuit against the manufacturer and sellers of the Bushmaster AR-15 rifle used in the 2012 Sandy Hook Elementary School shootings that left 26 ...