A 16-year-old boy who had been radicalized by an unspecified “extremist network” fired a revolver multiple times ...

A 16-year-old student was believed to be "radicalized by some extremist network," officials with the local sheriff's office ...

A 16-year-old boy who had been radicalized by an unspecified “extremist network” fired a revolver multiple times during an ...

Authorities identified the gunman who injured two students at Evergreen High School near Denver on Wednesday as 16-year-old ...

A day after 16-year-old Desmond Holly opened fire at the high school located in Evergreen, Colo., about 30 miles southwest of ...