It has been nearly 20 years since the first mass school shooting in the U.S. -- the shocking tragedy at Columbine High School in Littleton, Colorado, on April 20, 1999. As a “credible” threat ...

Hours after she escaped the Columbine High School shooting ... decided to go back to college to become a teacher. Martin, a ...

Twenty-five years have passed since the Columbine High School shooting that took 13 lives, and still, victims’ families and many in Colorado ... fire at the school in Littleton, killing a ...

A rose stands at the plaque for Corey DePooter, one of the 12 student victims in the massacre at Columbine High School, at the Columbine Memorial on Wednesday in Littleton, Colo. The Associated ...

Sergio Gonzales, Unity in Action's 17year-old co-chairman, said graffiti was a recurring problem at Columbine last year ... Tammy Theus said she is prepared to drive her son to Littleton High School ...

June 1, 2000 - LITTLETON - Ed Woytek, a longtime figure in high school academics and sports on the Western Slope, will be Columbine's athletic director ... He has been particularly active with ...

Marjorie Erickson knows that processing mental health trauma takes time. A survivor of the 1999 Columbine High School shooting in Colorado, it took years for Erickson to heal from that tragedy. Now a ...

Sol Pais was reportedly obsessed with the 1999 Columbine high school massacre ... often triggering traumatic memories. Littleton was already on high alert because they've faced threats in the ...