Addressing critical areas of drug control and system improvement, this book provides a comprehensive examination of policy relevant research. Leading experts explore major problems related to drug trafficking and use, focusing on important policy initiatives. Each chapter discusses a specific problem area, the policies designed to address it, research on the effectiveness of those policies, and the policy implications of the research.Addressing critical areas of drug control and system improvement, this book provides a comprehensive examination of policy relevant research. Leading experts explore major problems related to drug trafficking and use, focusing on important policy initiatives. Each chapter discusses a specific problem area, the policies designed to address it, research on the effectiveness of those policies, and the policy implications of the research.PART ONE: BACKGROUND ISSUES Drug Control and System Improvement - Doris Layton MacKenzie Evaluating the Success of Public Policies Doing Evaluations in Policy Research - Albert J Reiss Jr Implications for Drug Control Initiatives Prevalence of Drug Use Among Criminal Offender Populations - Yih-Ing Hser, Douglas Longshore and M Douglas Anglin Implications for Control, Treatment and Policy Gangs and Crack Cocaine Trafficking - Malcolm W Klein and Cheryl Lee Maxson PART TWO: POLICE INITIATIVES Defining the Street Level Drug Market - David Weisburd and Lorraine Green The Jersey City DMAP System Controlling Street-Level Drug Trafficking - Craig D Uchida and Brian Forst Professional and Community Policing Approaches Police Crackdowns on Drug Abuse and Trafficking - Robert E Worden, Timothy S Bynum and James Frank Assessing the Community Effects of Tactical Narcotics Teams - Michele Sviridoff and Sally T Hillsman Drugs and Public Housingl³