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Mass Shootings and Shooting Sprees Analysis: 1982 - Present

Below is an ongoing analysis of mass shootings and shooting sprees that have occurred in the United States from 1982 through 2017.

Weapons Obtained Legally by Shooters with Mental Health Issues

Breakout of whether or not the weapons used were obtained legally. Data limited to cases in which the shooter had prior mental health issues.

Signs of Mental Health Issues

Known mental health status of shooters.

Fatalities by Year

Total fatalities by year.

Fatalities by Year Schools Only)[

Total fatalities by year, limited to incidences that occurred at a school. Trend line included.