Frontmatter -- Contents -- Contributors -- Introduction -- Part I. The Foundations of Prevention and Intervention in Law and Criminal Justice Policy -- 1. Constitutional Observations on the Subject of Prevention -- 2. The Prevention State: The Security of the Objects of Legal Protection Versus Legal Security -- 3. Prevention as a Problematic Objective in the Criminal Justice System -- 4. Criminal Justice Policy without Legitimacy -- Part II. The Evaluation of Institutional Approaches to Crime Prevention -- 5. Informal Justice: Mediation between Offenders and Victims -- 6. Mediation-Experiment in Finland -- 7. Informal Justice and Conflict Solution — A Research Report on New Interventive Strategies of Administrative Social Work in the Field of Juvenile Delinquency -- 8. Police and Prevention. A Research Report on Cooperation in the Criminal Justice System -- 9. Delinquent Behavior in Adolescence: Potential and Constraints of Preventive Strategies in School Settings -- 10. School Delinquency Prevention as Management of Rabble -- 11. Prevention as a Strategy of Normalizing. An Analytical Approach on Restructuring the Integration Paradigm in Institutional Social Work -- Part III. Inquiry into the Ethical Aspects of Prevention -- 12. Problems of Access to Data and of the Right to Privacy in Criminological Research -- 13. Data Protection and Prevention -- 14. The Ethics of Informed Consent in Adolescent Research -- 15. Ethical Problems of Survey Research on Delinquency: An Empirical Analysis of Accessing and Interviewing Young Offenders -- 16. On Dangerous Research: The Fate of a Study of the Police in Norway -- Backmatter