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…

Two case examples of school shootings in Finland illustrate the interplay between the distal, international influence of the Columbine shooting and the more immediate impact of local peer interactions involving both peer bullying at school and peer encouragement of violence through the Internet. Both cases involved emotionally troubled young men…

Since 1999, Germany has experienced at least twelve serious cases of targeted school violence. This article describes two projects designed to fill the gap between universal prevention and emergency response in preventing severe forms of school violence in Germany. The Berlin Leaking Project examined the viability of preventive efforts based on…

The Swiss legal system places strong emphasis on risk assessment and treatment of potentially violent offenders. Especially after the 2001 Zug massacre, there is close cooperation between the judicial and mental health systems to prevent violence through early detection and intervention. A case study of a risk management program for a dangerous…

There is widespread agreement that many school shootings could be prevented if authorities were informed that a student was planning or preparing to carry out an attack. A universal problem is that young people are highly reluctant to report on their peers. This code of silence represents a major barrier to prevention efforts. In response to the…

Developmental research on social influences on adolescents can guide practices aimed to prevent homicidal youth violence. School shootings have repeatedly raised questions about the contributory role of bullying and entertainment violence, how news media publicity might produce copycat crimes, and whether stiffer criminal sanctions might have a…

The son of a Lithuanian artist, Antanas Mockus was the president of the National University in Colombia before he became mayor of Bogota in 1995. As mayor, he transformed the city into a huge classroom, not only bringing to his administration a new view of governing but also transforming the way people exercised their citizenship. Mockus resorted…

The topic of youth, violence, and disintegration needs addressing because young women and men are the world's greatest capital. They have the energy, talent, and creativity for building a future. But this group also suffers grave vulnerabilities. The time of adolescence includes important and difficult periods of life (for example, becoming more…

The literature explaining deviance, criminality, or violence offers a broad spectrum of approaches in criminology and sociology. Mostly the theories focus on specific levels of explanation like the macrolevel (for example, strain theories) or the microlevel (for example, self-control theory). This article presents a relatively new theoretical…

Violence is a widespread phenomenon in juvenile street culture. But the questions of whether this relationship is a deterministic one, and if not, which are the contributing factors, are largely unanswered. This article focuses on the role of public space, starting with a comparison of the meaning of deviant behavior and crime in street culture in…

What are the explaining factors for the wave of riots in France in November 2005? In providing some answers, this article begins by examining the practical usefulness of the French republican model of integration for social cohesion, highlighting the way its negation of other criteria, such as ethnicity, race, or religion, limit this national…

Young people are not only the perpetrators of violence; they are also the victims of violent acts. This leads to the question of how young people handle potential risk and how they can reduce the danger of becoming victims. The article stresses the topic of juvenile experience and fear of violence. Starting with a description of the nature of…

Institutions should normally have an integrative influence. The family, for example, has the task of protecting and giving socio-emotional support to children, and schools should prepare young people for their future. Ideally the common goal of all of society's institutions is to secure the integration of youth and prevent or intervene against…

Some adolescents develop an especially strong need for autonomy, desiring to be "their own boss" and determined to follow their own rules. Previous research indicates that an exaggerated need for autonomy is associated with aggression and other problem behaviors. Yet little is known about the origins of such "me-first" attitudes. Why do some young…

Whereas traditional criminological theories treat juvenile delinquency largely as a reactive and expressive behavior that only seldom leads to specialized criminal offending or a criminal career, this article proposes an alternative classification of offenses that accounts for the difference between youthful reactive conduct and specialized…