Every mass shooting (4+ people shot) in the United States in 2015, mapped. A collaboration with Milan Vuckovic (http://www.milanvuckovic.com/) Data source: http://www.gunviolencearchive.org/rep... Music: "America the Beautiful" by the United States Navy Band "Drums of the Deep" by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Subscribe to TDC: null. Subscribe to Milan's channel: null. Like our page on Facebook http://www.facebook.com/thedailyconve... Follow us on Twitter http://www.twitter.com/thedailyconvo