article_snippet: A survivor of the Columbine High School massacre lost A survivor of the Columbine High School massacre state football championship ring a decade ago and had A survivor of the Columbine High School massacre returned to A survivor of the Columbine High School massacre by a homeless veteran in California.
article_snippet: Columbine High School Massacre, April 20, 1999: 13 victims dead, 21 injured .
article_snippet: On the morning of Tuesday, April 20 in 1999 two students from Columbine High School, in Colorado, carried out a shooting spree in which they shot dead 13 people and injured another 21.
article_snippet: The highly organised attack was carried out by senior students Eric Harris, 18, and Dylan Klebold, 17.
article_snippet: The highly organised attack was carried out by senior students Eric Harris (left), 18, and Dylan Klebold (right), 17. 
article_snippet: Columbine High School security camera footage above shows the two killers in the cafeteria .
highlights_snippet: Columbine massacre left 12 students and teacher dead before the two teenage gunmen killed the two teenage gunmen .