Part I. Introduction and Overview: 1. Origins of violent behavior over the life span; 2. Longitudinal study of personality and social development: insights about aggression after 5 decades; 3. A life course model for the development of intimate partner violence; 4. The dark violence hybrid: the cross-cultural validation of an integrative model; Part II. Biosocial Foundations of Violence and Aggression: 5. The behavioral genetics of aggression and violent behaviour; 6. Neuroimaging evidence of violence and aggression; 7. Biosocial bases of aggression and antisocial behavior; 8. The Neuropsychology of violence; 9. The interaction of nature and nurture in antisocial behavior; 10. The neurobiology of bullying victimization; 11. Molecular genetics of aggression and violent crime; 12. Biosocial foundations of drug abuse and violent delinquency; 13. Personality and aggression: a general trait perspective; Part III. Individual and Interpersonal Factors for Violence and Aggression: 14. Applying empirically-based trait models to an understanding of personality and violence; 15. Social-cognitive processes in the development of antisocial and violent behavior; 16: Violent juvenile offenders: a psychiatric and mental health perspective; 17. Self-control theory and criminal violence; 18. Peers and aggression: from description to prevention; 19. Developmental processes of resilience and risk for aggression and conduct problems; 20. Child abuse and neglect; 21. The role of gender in violent and aggressive behaviors; 22. Lessons learned: serial sex offenders identified from backlogged sexual assault kits (SAKs); 23. Research on social structure and cross-national homicide rates; 24. Preventing violent crimes by reducing wrongful convictions; 25. Strain theory and violent behavior; 26. On cumulative childhood traumatic exposure and violence/aggression: the implications of adverse childhood experiences (ACE); Part IV. Contextual Factors for Violence and Aggression: 27. Youth gangs and violent behavior; 28. Social networks and violence; 29: The contagion of violence; 30. School violence; 31. Violence and culture in the United States; 32. Violence prevention in a global context: progress and priorities for moving forward; 33. Terrorism as a form of violence; 34. Psychopharmacology of violence; 35. Individual, family, neighborhood and regional poverty/socioeconomic status and exposure to violence in the lives of children and adolescents: considering the Global North and South; 36. Firearms and violence; Part V. Looking toward the Future: 37. The interrelationship of self-control and violent behavior: pathways and policies; 38. The new frontier: leveraging innovative technologies to prevent bullying; 39. Neural substrates of youth and adult antisocial behavior; 40. Research designs and methods for evaluating and refining interventions for youth violence prevention; 41. New directions in research on violence: bridging science, practice, and policy.