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 ...

When teacher Kiki Leyba was first approached about participating in a documentary about his experience with the 1999 mass shooting at Columbine High School, he was a little skeptical. Few quality ...

Participants arrive to attend a faith-based memorial service for the victims of the massacre at Columbine High School nearly 20 years ago at a community church Thursday, in Littleton, Colo. AP photo ...

On April 20, 1999, I was inside Columbine High School the day the shooting began. Upon hearing the gunfire, a janitor and a teacher and coach named Dave Sanders (who would tragically lose his life) ...

(CNN) — Here is some background information about the deaths of 13 people at Columbine High School in Littleton, Colorado, on April 20, 1999. Facts: Twelve students and one teacher were killed by ...

CHICAGO (WLS) -- Students at the Chicago Academy for the Arts are putting the final touches on their performance of "Columbinus," a play based on the deadly 1999 attack inside Columbine High School.

Marking 25 years since Columbine shooting It was the deadly school shooting up to its time and Saturday, the world marked 25 years since gunman opened fire inside Columbine High School.

NEW YORK — Most of them were not yet born when students shot a dozen people to death inside Columbine High School in Colorado, an atrocity that sparked a national debate over guns exactly 19 years ago ...

When two students opened fire at Columbine High School in April 1999, Grant Whitus, then with the Jefferson County Sheriff’s Office, was one of the first officers to enter the building. Whitus cleared ...

Twelve students and one teacher were killed by students Dylan Klebold, 17, and Eric Harris, 18, in the initial attack. The pair made home videos prior to the attack making references to what they were ...