The shooter who shot and injured two students at Evergreen High School on Wednesday kept shooting and reloading, according to the Jefferson County Sheriff's Office, and much of the credit for saving lives goes to the students and staff.

Desmond Holly, 16, who is suspected of shooting and critically injuring two students, had been “radicalized by an extremist network,” the authorities said.

A 16-year-old student -- who authorities say opened fire at his Colorado high school on Wednesday, wounding two classmates and then turning the gun on himself -- was believed to be "radicalized by some extremist network,” officials with the local sheriff's office said.

A teen shooter who wounded two fellow students when he opened fire at a Colorado high school Wednesday was only 16 years old — and “radicalized by an extremist network,” authorities

Desmond Holly, a sixteen-year-old, is identified as the Evergreen High School shooter. He died from a self-inflicted gunshot. Two students are critically injured. Holly was radicalized by an extremist network.