In fact, the only reason Eric was even in the library is that the major bombs he and Dylan placed in the cafeteria did not detonate. The failure of these bombs to explode forced Eric to improvise.

Mass shootings didn’t start at Columbine High, but the mass-shooter era did. Eric Harris and Dylan Klebold’s audacious plan and misread motives multiplied the stakes and inspired wave after ...

By GINA LAMB &#124; Updated: April 17, 2008<br/><p>On the morning of April 20, 1999, Eric Harris, 18, and Dylan Klebold, 17, walked into Columbine High School, outside Denver, and shot to death 12 ...

What happened: Eric Harris and Dylan Klebold killed 13 people and wounded 24 in a mass shooting at Columbine High School in Littleton, Colorado. The two planted two bombs in the cafeteria of the ...

Today it seems as though an arms race has begun in American high schools: as a tiny number of disaffected kids stockpiles guns and home-made bombs to mimic Columbine’s Eric Harris and Dylan ...

Columbine students Eric Harris and Dylan Klebold initially planned a bomb attack, but the propane bombs they planted in the school cafeteria failed to detonate, so they turned to gun violence. The ...

Eric Harris (left) and Dylan Klebold, carrying a TEC-9 semi-automatic pistol, are seen in a photo made from a security camera image in the cafeteria at Columbine High School, in Littleton, Colo. AP ...

By GINA LAMB &#124; Updated: April 17, 2008<br/><p>On the morning of April 20, 1999, Eric Harris, 18, and Dylan Klebold, 17, walked into Columbine High School, outside Denver, and shot to death 12 ...

Ten years ago on April 20, students Eric Harris and Dylan Klebold marched into Columbine High School in Littleton, Colo. and killed 15 people, including themselves. Since then, scores of ...

Harris also wore one of the band’s T-shirts in public photos before he and Dylan Klebold went on to kill 13 people in the 1999 Columbine High School massacre.