Columbine shooting anniversary A school security chief investigates(04)

Columbine shooting anniversary A school security chief investigates(04)


Image gallery: Columbine Shooting Photos

Columbine High School shooting 13 dead, dozens hurt in 1999 massacre Columbine High School shooting 13 dead, dozens hurt in 1999 massacre Columbine High School shooting 13 dead, dozens hurt in 1999 massacre The Latest Visitors pay respects at Columbine memorial Fox News Columbine shooting anniversary A school security chief investigates Columbine High School shooting 13 dead, dozens hurt in 1999 massacre Columbine High School shooting 13 dead, dozens hurt in 1999 massacre Columbine shooting 20th anniversary Survivors reflect on how massacre