Analysis of Recent Mass Shootings (2014)
"Everytown For Gun Safety conducted a comprehensive analysis of every mass shooting between January 2009 and July 2014 that was identifiable through FBI data and media reports. This report describes the 110 mass shootings - almost two per month - that occurred in 36 states in the nearly six-year period. Each description includes the location of the shooting, number of people killed and/or injured, and information on the shooter, gun(s), ammunition, and gun purchase, where available [...] the findings reveal a different portrait of mass shootings in America than conventioanl wisdom might suggest."