What are the cost savings from preventing a typical burglary, robbery, assault, or even a criminal career? Who benefits from these savings? How often do the benefits from preventing crime or criminal behavior exceed the resources spent on preventing or controlling crime? Is it more cost-effective to invest in early childhood programs or juvenile boot camps to reduce criminal offending? These are some of the important questions that face policymakers in crime and justice today. Answering them is no easy task. Nevertheless, it is important to provide answers in order to ensure that the dollars...