Relevant links

DATABASES

The Washington Post | The terrible numbers that grow with each mass shooting
The Violence Project | Mass Shooter Database
Mother Jones | US Mass Shootings, 1982–2021: Data From Mother Jones’ Investigation
USA TODAY | BEHIND THE BLOODSHED: THE UNTOLD STORY OF AMERICA’S MASS KILLINGS
FBI | National Instant Criminal Background Check System (NICS)
FBI | Active Shooter Resources
RAND | Gun Policy in America
GUN VIOLENCE ARCHIVE
Stanford Libraries | Mass Shootings in America
Everytown Research & Policy
Mass Shooting Tracker
Center for Homeland Defense and Security | K12 Shooting Database