Podsetimo, u Kolumbajnu se desila pucnjava 20. aprila 1999. Dva učenika, Erik Haris i Dilan Klebold, tom prilikom su napali učenike i osoblje, ubivši 12 učenika i jednog nastavnika i ranivši 21 učenika.
UPDATE: Attention parents: DO NOT come to Columbine HS right now to pick up students. They will not be released until 2:45pm. They are on lock out at the school (meaning no one can come or go) The kids & staff are SAFE pic.twitter.com/IgeuupoJFm
— Jeffco Sheriff (@jeffcosheriffco) 13. decembar 2018.