Columbine high school massacre hires stock photography and images Alamy(02)

Columbine high school massacre hires stock photography and images Alamy(02)


Image gallery: Columbine Walkout April 20 Anniversary What Is It

Why a National School Walkout Is Planned for April 20 Why a National School Walkout Is Planned for April 20 Columbine high school massacre hires stock photography and images Alamy National School Walkout Draws Crowds on 19th Columbine Anniversary Columbine survivor Sally Garrigan speaks to members of the media in