Massacre de Columbine, Massacre de Columbine

Massacre em escola norte-americana deixou o mundo perplexo, em abril de 1999. Dois estudantes abriram fogo contra alunos e professores: 15 pessoas morreram e 23 ficaram feridas.

Columbine High School shootings Date, Shooters, History, & Facts

Ten years on and Columbine still feels the pain, Gun crime

Remembering the Columbine High School shooting – New York Daily News

599 fotos de stock e banco de imagens de Massacre De Columbine

20 years after Columbine, what's changed -- and what hasn't -- for

Columbine high school massacre hi-res stock photography and images

A Look at Some of the Deadliest US School Shootings

Inside the Columbine High investigation

Mother of Columbine killer tells of horror 10 years after massacre

O massacre de Columbine

Columbine High School massacre - Wikipedia