The readings in this collection are bound by a singular purpose: identifying effective strategies to reduce and prevent crime on America's streets and in her neighborhoods. For frontline law enforcement this is a central mission - a mission increasingly informed by the findings of social science. What strategies work? Which ones don't and why? The answers are found in the methods and measures of social science. Because criminal justice professionals rely on their findings, the work of today's social scientists carries special responsibility. Crime control is no ivory tower exercise....