Reviewed 190 incidents at 142 colleges from the 2001-2002 school year through the 2015-2016 school year in which at least one person was intentionally shot (excluding the shooter) on the campus of a two- or four-year college, as well as incidents that occurred within two miles of a college campus, and at least one student was shot. Unsurprisingly, the increase was most profound on colleges in states with increased access to guns.