Public Mass Shootings – Database Amasses Details of a Half-Century of US Mass Shootings with Firearms, Generating Psychosocial Histories
Published by the National Institute of Justice (NIJ), this report discusses public mass shootings in the United States over the last half century. The shooters were commonly troubled by personal trauma before their shooting incidents, nearly always in a state of crisis at the time and, in most cases, engaged in leaking their plans before opening fire. Most were insiders of targeted institutions, such as employees or students. Except for young school shooters who stole the guns from family members,…