One of the few recurring characteristics in school shooters' stories is their expression of existential concerns. Many discuss their hatred of the world and existential loneliness in their manifestos, suicide letters, or social media updates. These expressions--called leaking--are made during the planning period preceding their deed. They are not…

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…

Lullabies are often divided into songs describing death or funeral of child and songs which threaten child with violence if he/she does not sleep. Survey of lullabies from 26 countries and various ethnic groups revealed that threat songs were more common than lullabies with death themes. Latter were frequent in Finno-Ugris and Slavic cultures, not…

A longitudinal field study conducted in Turku, Finland, traced the development of aggression as a function of the viewing of violence by children from the ages of 7 and 9 to the ages of 15 and 17 to explore the connection between violence viewing and viewers' aggression, and to shed light on the question of causality. The 220 subjects, both male…