Bowling for Columbine
is a 2002 American documentary film written, produced, directed, and narrated by Michael Moore. The film explores what Moore suggests are the primary causes for the Columbine High School massacre on April 20, 1999, and other acts of violence with guns. Moore focuses on the background and environment in which the massacre took place and some common public opinions and assumptions about related issues. The film also looks into the nature of violence in the United States.
A critical and commercial success, the film brought Moore international attention as a rising filmmaker and won numerous awards, including the Academy Award for Best Documentary Feature, the Independent Spirit Award for Best Documentary Feature, a special 55th Anniversary Prize at the 2002 Cannes Film Festival, and the César Award for Best Foreign Film. (excerpt from its Wikipedia page