Three studies address neighborhood-level analyses of crime, victimization, and fear of crime. The risk of personal victimization is addressed in relation to neighborhood family structure, and the fear of crime is analyzed in relation to crime, neighborhood deterioration, and informal social control. One paper examines delinquency rates as a factor in urban ecological change. Another three papers focus on interurban analyses of violent and property crime. One considers the interactive effects of population and environmental characteristics on crime; and another analyzes the impact of age, sex, and race on arrest trends in 12 of the Nation's largest central cities. The third paper addresses the effects of inequality, welfare dependency, region, and race on urban crime rates. The remaining two studies examine the impact of ecological factors on decisionmaking and policy in the criminal justice system, specifically person-environment interactions in recidivism prediction and the relationship between firearms ownership and violent crime. Chapter tables, footnotes, subject and author indexes, and approximately 400 references.