(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 ...

DENVER — In the first detailed public remarks by any parent of the two Columbine killers, Dylan Klebold’s mother says she had no idea her son was suicidal until she read his journals after the 1999 ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

After I wrote a column a few weeks ago about the 1999 shootings at Columbine High School, I got e-mail from Tom Klebold, the father of Dylan Klebold, one of the shooters. Tom objected to the column, ...

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