Citation(s) from the Gun Policy News media archive
Mass Murderers Fit Profile, as Do Many Others Who Don't Kill
New York Times
3 October 2015
Grant Duwe, a criminologist with the Minnesota Department of Corrections, has studied more than 1,300 mass murders that took place from 1900 to 2013. Of them, he classifies 160 as mass public shootings, ones in which at least four people were shot and killed in a concentrated period, excluding those in family settings or involving other crimes…
Those who study these types of mass murderers have found that… They generally have bought their guns legally.