Do you believe it or not?

It being a study by Adam Lankford, an associate professor of criminal justice at the University of Alabama, which will be presented at 110th Annual Meeting of the American Sociological Association this week. Lankford concludes that although the U.S. only makes up 5 percent of the global population, the country has seen 31 percent of global public mass shootings between 1966 and 2012. He concluded this based on "data from the New York City Police Department's 2012 active shooter report, the FBI's 2014 active shooter report, and multiple international sources." The report does not include gang related crime, drive-by shootings, hostage situations and robberies.