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…

The incidence and circumstances of young people carrying knives and dangerous implements was investigated through surveys conducted with 150 "street youth" and 184 "school youth" in Sydney. It was found that a significant proportion of both samples carry and use knives/dangerous implements and that these implements had been…