http://www.nytimes.com/2014/07/27/us/27violence.html?_r=0

01. Bowling for Columbine (film in English)

https://www.youtube.com/watch?v=whL2LlRkhXk

02. Bowling for Columbine (film in French)

https://www.youtube.com/watch?v=0ipiYu2TH4A

03. Marilyn Manson interviewed by Michael Moore (in English + English subtitles)

https://www.youtube.com/watch?v=_M3_7NCD3SQ

04. Guns with history (hidden camera)

https://www.youtube.com/watch?v=1nAfWfF4TjM