Research Summary We investigated the extent to which the 89 mass shooters who committed their acts from 2014 through 2017 were known or suspected to commit domestic violence prior to the shooting, whether they had been engaged in the justice system in a way that could...
In March 2019, a mass shooting at two Christchurch mosques, livestreamed to Facebook, resulted in the deaths of 51 people. Psychologically, this served as a focusing event with high threat salience, shocking a country unused to gun violence despite its comparatively...
School shootings are a serious US problem. Except for restricting the access to firearms, previous research has not identified mediating factors that block the pathway leading from adolescent depression to gun carrying and violence. Our examination of 1,878...
There have been dozens of high-profile mass shootings in recent decades. This paper presents three main findings about the impact of mass shootings on gun policy. First, mass shootings evoke large policy responses. A single mass shooting leads to a 15% increase in the...
This study provides a quantitative examination of gender-based mass shootings in America from 1966–2018. Gender-based mass shootings refer to attacks motivated by grievances against women, divided into four categories based on a specific woman or women in general, as...
