Sharing Information to Stop Mass Shootings – Final Report
This report examines 171 mass public shootings in the United States between 1999 and 2024 involving 175 perpetrators with identifiable pre-attack warning behaviors and communications. Using the Path to Intended Violence framework, the findings highlight consistent patterns in perpetrators’ experiences, behaviors, and communications prior to the attacks. The findings are intended to support efforts to identify, interpret, and respond to warning signs prior to acts of targeted violence.
