A mass shooting is an event where four or more people are shot or injured in a single incident at the same general time/place (not including the shooter). There have been 165 mass shooting incidents inf the first 6 months of 2016. For more information visit The Gun Violence Archive.
Data for mass shooting incidents were obtained from the Gun Violence Archive
State JSON/Geographic Data were obtaine from the Tiger Line/US Census.
Mass shootings from 2015 have been visualized in the same format here.
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