Preliminary investigation into the suspect who shot and injured two fellow students at Evergreen High School Wednesday found ...

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

A teenager suspected in a shooting attack at a Colorado high school had a "fascination" with mass shootings and shared neo-Nazi views, the ADL said.

Threats against Colorado high school students who staged school walkouts Monday over last week's shooting at Evergreen High ...

The teenager fired most of the rounds inside Evergreen High School outside Denver, sheriff's officials indicated Tuesday.

The 16-year-old boy who shot two of his fellow students in Colorado appeared to hint at his plans on social media just hours before the shooting took place, according to the Anti-Defamation League ...

A Colorado high school shooter who wounded two classmates before dying by suicide had signaled his intentions online and drew ...

Tyler Robinson is said to have joked that his 'doppelganger' was trying to 'get [him] in trouble' after a pal messaged him to ...

Experts say a teenager suspected in a shooting attack at a suburban Denver high school that left two students in critical ...