A Guide to Mass Shootings in America [View all]

Editor’s note:

In July 2012, in the aftermath of the movie theater massacre in Aurora, Colorado, Mother Jones created the first open-source database documenting mass shootings in the United States. Our research has focused on indiscriminate rampages in public places resulting in four or more victims killed by the attacker. We exclude shootings stemming from more conventional crimes such as armed robbery or gang violence. Other news outlets and researchers have published larger tallies that include a wide range of gun crimes in which four or more people have been either wounded or killed. While those larger datasets of multiple-victim shootings may be useful for studying the broader problem of gun violence, our investigation provides an in-depth look at the distinct phenomenon of mass shootings—from the firearms used to mental health factors and the growing copycat problem. Tracking mass shootings is complex; we believe ours is the most useful approach.

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Weapons:

Of the 143 guns possessed by the killers, more than three quarters were obtained legally. The arsenal included dozens of assault weapons and semi-automatic handguns with high-capacity magazines. (See charts below.) Just as a perpetrator used a .40-caliber Glock to slaughter students in Red Lake, Minnesota, in 2005, so too did the one in Aurora, along with an AR-15 assault rifle, when blasting away at his victims in a darkened movie theater. In Newtown, Connecticut, the attacker wielded a .223 Bushmaster semi-automatic assault rifle as he massacred 20 school children and six adults.

The perpetrators:

More than half of the cases involved school or workplace shootings (12 and 20, respectively); the other 30 cases took place in locations including shopping malls, restaurants, and religious and government buildings. Forty-four of the killers were white males. Only one was a woman. (See Goleta, Calif., in 2006.) The average age of the killers was 35, though the youngest among them was a mere 11 years old. (See Jonesboro, Ark., in 1998.) A majority were mentally troubled—and many displayed signs of mental health problems before setting out to kill. Explore the map for further details—we do not consider it to be all-inclusive, but based on the criteria we used, we believe that we’ve produced the most comprehensive rundown available on this particular type of violence. (Mass shootings represent only a sliver of America’s overall gun violence.)

http://www.motherjones.com/politics/2012/07/mass-shootings-map/

Go to the link for more information and clickable interactive maps.

NRA apologists will take high offense at any weapon being called an "assault weapon," but what were they used for in these examples if not to assault innocent people? Focusing on the semantics of lethal weapons instead of addressing the obvious problems with an overabundance of guns in this country is typical of the right-wing gun culture and the Trump mentality.