Coba jelasin Lihat pula dari Tragedi Columbine dong

Senjata api di Amerika Serikat

The Scene of the Crime Was the Cause of the Crime  - Cuplikan dari Going Postal: Rage, Murder, and Rebellion -- From Reagan's Workplaces to Clinton's Columbine and Beyond oleh Mark Ames.

Dreading Columbine - Eksplorasi sosiologis tentang penembakan di sekolah di daerah suburban

Columbine's Most Wanted (eXile.ru)  - On the jock culture at Columbine High School.

A detailed report on crimelibrary.com

TheTrenchcoat Chronicles  - News and opinion about Columbine