When two Colorado students murdered 12 of their classmates and a teacher at Columbine High School on April 20, 1999, they committed what history would etch as the first school shooting of the internet ...

Wednesday: Plenty of sunshine, with a high of 54 and low of 28 degrees.

One teen said "it's inspiring" to be a Columbine student. Among the hundreds of schools taking part in today's National School Walkout to protest against gun violence, the walkout especially hits home ...

DENVER (KDVR) — “It brought the nation to its knees, but now that we’ve gotten back up how have things changed; what have we learned?” reads an inscription on the Columbine Memorial’s Wall of Healing.

Klebold says it's hard to live with the fact her son "brutally killed people." — -- Sue Klebold, the mother of Columbine killer Dylan Klebold, told ABC News' Diane Sawyer that when the Columbine ...

Saturday marks 25 years since the tragedy at Columbine High School. Members of the Columbine community gathered at a church in Denver to honor the victims Friday night. On April 20, 1999, two ...

The community of Littleon, Colorado, held a memorial vigil Saturday, 20 years since the shooting that killed 12 students and a teacher at Columbine High School, which many consider the first school ...

Law enforcement officers walk outside Columbine High School under the gaze of televisions cameras on Wednesday April 17 2019. The story of a woman who traveled from Florida to Colorado because of an ...

Even as Friday's shooting at Sandy Hook Elementary in Newtown, Conn., suggests that more could be done, the whole culture of school security has undergone a revolution since the 1999 Columbine school ...

On April 20, 1999, Dylan Klebold and Eric Harris walked into Columbine High School, carrying weapons and homemade bombs, and began slaughtering their classmates. They killed 12 of their fellow ...

For more than three hours Patrick Ireland slowly inched his way across the 50ft distance to the first floor library window. Dragging himself past classmates slaughtered in the Columbine High School ...

DENVER (KDVR) — “It brought the nation to its knees, but now that we’ve gotten back up how have things changed; what have we learned?” reads an inscription on the Columbine Memorial’s Wall of Healing.