Today marks 21 years since the Columbine massacre(04)

Today marks 21 years since the Columbine massacre(04)


Image gallery: Columbine Shooting Library Bodies

Remembering the 13 victims of Columbine High School massacre 20 years Scarred Columbine survivors remember 20 year anniversary school PHOTOS The massacre at Columbine High School and the days that followed Columbine High School shooting 13 dead, dozens hurt in 1999 massacre Today marks 21 years since the Columbine massacre The Columbine High School shooting in 1999 Columbine High School shooting 13 dead, dozens hurt in 1999 massacre 20 years after Columbine, what's changed and what hasn't for