Brown University's Engineering Research Center
Coverage of Brown University's Engineering Research Center in the Nexus archive.
- Most mass shooters show warning signs before attacks, study finds
A study by the Regional Gun Violence Research Consortium found that most mass shooters exhibit warning signs, including communicating violent intentions, experiencing multiple stressors, and planning attacks over extended periods. Nearly 86% of perpetrators disclosed violent thoughts to someone, and firearms were often obtained legally.
- Most mass shooters show warning signs before attacks, study finds
A study by the Regional Gun Violence Research Consortium found that most mass shooters exhibit warning signs, including communicating violent intentions to others, experiencing multiple stressors, and planning attacks over extended periods. Nearly 86% of perpetrators disclosed violent thoughts to at least one person, while stressors averaged five distinct issues and planning took nearly 10 months.
- Most mass shooters show warning signs before attacks, study finds
A study analyzing 171 U.S. mass public shootings between 1999 and 2024 found that perpetrators often displayed observable warning signs, including communicating violent intentions, experiencing multiple stressors, and planning attacks over extended periods. Nearly 86% of perpetrators disclosed violent thoughts to someone in their social circle, but fragmented signals across individuals and systems hindered early intervention.