Drug Diversion Signal Detection System Surveys more than 300 diversion investigators from jurisdictions in all 50 states and the District of Columbia, including rural, urban, and suburban areas. Provides prescription drug diversion data from the criminal justice perspective.   James A. Inciardi, Ph.D., University of Delaware, is the principal investigator of this system.    For more information about participating in the Drug Diversion Signal Detection System, please contact Yami Lugo.