A blog post explaining this visualization here: http://www.periscopic.com/news/2013/02/thoughts-on-visualizing-u-s-gun-murders http://www.periscopic.com/news/20

A blog post explaining this visualization here: http://www.periscopic.com/news/2013/02/thoughts-on-visualizing-u-s-gun-murders http://www.periscopic.com/news/2013/02/thoughts-on-visualizi... I am also interested in the code behind the visualization. Anyone out there have any ideas?