Criminology, Law and Society

College of Humanities and Social Sciences

Christopher Koper

Christopher Koper

Christopher Koper

Associate Professor

Firearms, violence, and public policy, police and crime control, organizational change in policing, policy and program evaluation, assessment of crime trends

Dr. Christopher Koper is Associate Professor in the Department of Criminology, Law and Society at George Mason University. He was formerly the Director of Research for the Police Executive Research Forum (PERF), a policing membership and research organization based in Washington, D.C.  He holds a Ph.D. in criminology and criminal justice from the University of Maryland and has over 20 years of experiencing conducting criminological research at PERF, the University of Pennsylvania, the Urban Institute, the RAND Corporation, the Police Foundation, and other organizations, where he has written and published extensively on issues related to firearms, policing, federal crime prevention efforts, research methods, juvenile deliquency, and other topics.  Dr. Koper has served as a lead or senior-level investigator for numerous projects funded by the U.S. Department of Justice, including Congressionally-mandated assessments of the 1994 federal assault weapons ban and the federal Community Oriented Policing Services (COPS) program.  He is also the co-creator of the Evidence-Based Policing Matrix, a tool used by organizations including the federal Bureau of Justice Assistance and the National Policing Improvement Agency of the United Kingdom for visualizing research results on police effectiveness and translating those results for practitioners and policymakers.  Dr. Koper is a former scholar-in-residence of the Firearm and Injury Center at Penn (a center of the University of Pennsylvania Health System)

Current Research

“Realizing the Potential of Technology for Policing: A Multi-Site Study of the Social, Organizational, and Behavioral Aspects of Implementing Policing Technologies.” Project for the National Institute of Justice, U.S. Department of Justice with Cynthia Lum, James Willis, and Julie Hibdon.

“The Evidence-Based Policing Matrix.” Online interactive tool available at: Project with Cynthia Lum and Cody Telep.

 “Understanding and Monitoring the ‘Whys’ Behind Juvenile Crime Trends.” Project for the Office of Juvenile Justice and Delinquency Prevention, U.S. Department of Justice with Jeffrey Roth and others.

 “National Study of Gun Enforcement and Gun Violence Prevention Practices among Local Law Enforcement Agencies.” Project funded by the Joyce Foundation.

 “A Randomized Experiment Assessing License Plate Recognition Technology in Mesa, Arizona.” Project for the National Institute of Justice, U.S. Department of Justice with Bruce Taylor and Daniel Woods.

Selected Publications

Taylor, Bruce, Christopher S. Koper, and Daniel J. Woods. 2011. “A Randomized Control Trial of Different Policing Strategies at Hot Spots of Violent Crime. Journal of Experimental Criminology 7:149-181.

Lum, Cynthia, Christopher S. Koper, and Cody W. Telep. 2011. “The Evidence-Based Policing Matrix.” Journal of Experimental Criminology 7(1): 3-26.

Koper, Christopher S. and Evan Mayo-Wilson. 2006. “Police Crackdowns on Illegal Gun Carrying: A Systematic Review of Their Impacts on Gun Crime.” Journal of Experimental Criminology 2(2): 227-261.

Koper, Christopher S. 2005. “Purchase of Multiple Firearms as a Risk Factor for Criminal Gun Use: Implications for Gun Policy and Enforcement.” Criminology and Public Policy 4:749-778.

Koper, Christopher S. and Jeffrey A. Roth. 2001. “The Impact of the 1994 Federal Assault Weapons Ban on Gun Violence Outcomes: An Assessment of Multiple Outcome Measures and Some Lessons for Policy Evaluation.” Journal of Quantitative Criminology 17:33-74.

Koper, Christopher S. 1995. “Just Enough Police Presence: Reducing Crime and Disorderly Behavior by Optimizing Patrol Time in Crime Hot Spots.” Justice Quarterly 12:649-672.

Courses Taught

CRIM 490 Firearms Law, Policy and Politics (special topics course)

CRIM 781 Justice Program Evaluation