Comments on: US has 5 percent of world’s population, but had 31 percent of its public mass shooters from 1966-2012

Comments on: US has 5 percent of world’s population, but had 31 percent of its public mass shooters from 1966-2012 http://www.yourpsychology.com/us-has-5-percent-of-worlds-population-but-had-31-percent-of-its-public-mass-shooters-from-1966-2012.html Psychology articles and news Thu, 25 Mar 2010 21:59:19 +0000 hourly 1 http://wordpress.org/?v=3.3.2