Dr. John Worrall heads the Criminology Program at the University of Texas at Dallas, where he has been a Professor since 2008. His areas of expertise include policing, courts, and crime control policy. His research has focused primarily on identifying successful programs, policies, and interventions aimed at preventing and controlling crime. He is also the author of several books, including Crime Control in America: What Works? and Criminal Procedure: From First Contact to Appeal. Dr. Worrall currently serves as Editor of the journal Police Quarterly.