Dzhokhar Tsarnaev's loyalty to brother, teen brain were explosive combination. April 23, 2013 — -- Dylan Klebold, the depressed senior at Columbine High School, had Eric Harris. Washington, D ...

Eric Harris (l.) and Dylan Klebold, carrying a TEC-9 semi-automatic pistol, are pictured in the cafeteria at Columbine High School, in Littleton, Colo., during their shooting rampage.

Three nights before the Columbine massacre, Dylan Klebold went to the senior prom. He pulled back his long hair, wore a tux and a bow tie. His mother, Sue Klebold, got out of bed when he came in ...

Nearly 17 years after Dylan Klebold and Eric Harris murdered 13 people in a slaughter at Colorado’s Columbine High School, Klebold’s mother offered insight into her son’s behavior leading up ...

Sue Klebold and Dylan Klebold, from “A Mother’s Reckoning.” (Courtesy of Sue Klebold) I greatly appreciated the information and insight provided by Carlos Lozada in his Feb. 14 Book World ...

Sue Klebold, the mother of Columbine killer Dylan Klebold, gave her first TV interview since the massacre nearly 17 years ago. “I think it’s easier for me to say ‘harmed’ than ‘killed ...

Photo: Dylan Klebold is shown in a 1998 yearbook photo from Columbine High School. She said she had "no inkling" how sick her son was. "From the writings Dylan left behind, criminal psychologists ...

The essay by Susan Klebold, which appears in the November issue of O, The Oprah Magazine, explores her son’s role in the 1999 massacre where he and co-conspirator Eric Harris killed 12 students ...

Dylan Bennet Klebold was born in Denver, Colo., on Sept. 11, 1981. He was the second child of Thomas and Susan and the brother of Byron, three years older.

Dylan Efron Reveals How The Internet Reacted To His Traitors Performance And How It Changed The Way He’s Seen In Hollywood: ...

And Klebold talks of a survey indicating that “83 percent of respondents said that the parents’ failure to teach Dylan and Eric proper values played a major part in the Columbine killings.” ...

On April 20, 1999, Dylan and Eric Harris opened fire at Columbine High School in Littleton, Colo., killing 12 students and a teacher, and wounding 24 others before taking their own lives.