BBC NEWS Oregon shooting: Gunman Chris Harper Mercer had 13 guns http://www.bbc.com/news/world-us-canada-34428410 Roseburg, Oregon shootings: How common are such attacks? http://www.bbc.com/news/world-us-canada-34422235 THE ATLANTIC http://www.theatlantic.com/notes/all/2015/10/the-certainty-of-more-shootings/408763/#note-408769...
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