According to Novaco, violence is multifactorial and thus so are instances of mass killings. The fact that violence is multifactorial and that it has a low base rate makes it hard to predict violent acts and to choose the best intervention for those who are likely to be perpetrators. However, in order to have any shot at intervention or prevention for someone like Christopher Harper-Mercer one must take into account a variety of things, such as mental health history, history with firearms, and even family background.
The first factor that is important to consider is the perpetrator's possession or past use of guns in order to minimize the abuse of legally obtained firearms. According to the conclusions and recommendations presented in the APA
The first factor that is important to consider is the perpetrator's possession or past use of guns in order to minimize the abuse of legally obtained firearms. According to the conclusions and recommendations presented in the APA