Despite only accounting for 5% of the global population, an astounding 31% of the world's mass shootings occur in the U.S.
That sobering statistic from the University of Alabama Department of Criminal Justice was again brought to the forefront Wednesday, when a couple killed at least 14 people in San Bernardino, California — the deadliest mass shooting in the U.S. since the Sandy Hook elementary school massacre in Newtown, Connecticut, three years ago.
