Everytown’s research has shown that expanding the areas where guns can be carried and the circumstances in which they can be used is only associated with greater harm. So-called Stand Your Ground laws, which encourage the use of deadly force outside the home, are associated with significantly higher justifiable homicide rates. After Georgia passed its Stand Your Ground law, the number of justifiable homicides in the states increased by 83 percent. In Florida, it tripled. This push towards allowing easy access to guns in a growing variety of public places has only resulted in a greater risk of gun violence, often justified by increasingly permissive laws.
Using FBI data and media reports, Everytown for Gun Safety developed an analysis of mass shootings that took place between January 2009 and July 2015. The analysis found that there have been at least 133 mass shootings in the nearly seven-year period.