During April 1999, in an assault that shocked the entire world, two adolescents violently took over Columbine High School, in Littleton, Colorado, U.S.A., leaving 15 dead.
Visa pasaule bija šokēta, kad 1999. gada aprīlī divi jaunieši iebruka Kolumbainas vidusskolā Litltonā (ASV, Kolorado štats) un noslepkavoja 15 cilvēkus.