The standardized, indicated school-based prevention program "Networks Against School Shootings" (NETWASS) combines a threat assessment approach with a general model of prevention of emergency situations in schools through early intervention in student psychosocial crises and training teachers to recognize warning signs of targeted school…

A plethora of studies have appeared which argue that, prior to their attack, the perpetrators of school shootings had experienced intense conflicts and problematic relations (e.g. bullying) with peers and teachers, and were on the periphery of the schools' social life. This in turn resulted in the perpetrators' view of themselves as marginalized…

School homicides have become a worldwide phenomenon. In the decade following the Columbine shooting there have been at least forty similar events in other countries. This article addresses the international scope of this problem and some of the complex conceptual issues that make student homicidal violence difficult to define and study. Meaningful…