Pedzisa mutsara unotevera: Mumwe wevanofungidzirwa, ane makore 17, akazviuraya musi weChishanu pashure pokurwisana nomudzidzisi wepachikoro chepamusoro nemapurisa. Zano racho rakafumurwa apo mumwe mukuru wechikoro akanga awana peji reInternet rakanga ragadzirwa nomusungwa ane makore 17 okukura, richiratidzira zvinhu zvaikudza vaiti vaviri vechinoitika chacho
Kuurawa kwepaColumbine High School.