Nyorai kupfuurira kweiyi ndima - Mabhegi evadzidzi vose akatsvakwa makirasi asati atanga musi weChina. Panguva iyoyo mapurisa eHaccienda La Puente Unified School District akaudza "Pasadena Star-News" kuti kuongororwa kwakarongwa kwaiva matanho okuzvidzivirira ane chokuita negore raizouya rokuurayiwa kwevanhu paChikoro chepamusoro cheColumbine
, yakaitwa musi waApril 20, 1999. Eric Harris naDylan Klebold vakauraya vadzidzi 12 nomudzidzisi uye vakakuvadza vamwe vakawanda muColumbine High School muColorado vasati vazviuraya.