John DeCarlo, Ph.D.

John DeCarlo Headshot
Associate Professor, M.S.
CJ Online Program Coordinator

Ph.D. Criminal Justice Department
Henry C. Lee College of Criminal Justice and Forensic Science

Ph.D. City University of New York Graduate Center

M.Phil. City University of New York Graduate Center

M.A. John Jay College of Criminal Justice

M.S. Tiffin University

About John

Dr. DeCarlo has 34 years of police experience and is a retired chief of police. He is also the co-founder of NexGen Public Safety Software Solutions and served as the director of research and development for the company. His current research centers on policing methodologies and their effect on crime, police system organization, eyewitness memory, policing efficacy and management strategies, organizational dysfunction and change, police unionism and environmental criminology. DeCarlo is currently conducting research in police contagion shooting and the antecedents to violence escalation and conducting action research in areas of police education and organizational change interventions and predictive policing and analysis. Dr. DeCarlo has been the recipient of several federal grants to study policing in the United States. Dr. DeCarlo is the founder of The Center for Advanced Policing at the University of New Haven and coordinated the Police Studies program at John Jay College of Criminal Justice.

He currently serves as the Chair of the Police section of the Academy of Criminal Justice Sciences and the deputy chair of the ACJS constitution and bylaws committee.

Selected Publications
  • Kassin, S., Lawson, V., Kuchuka, J. & DeCarlo, J. (2016). Police reports of mock suspect interrogations: A test of accuracy and perception. Law & Human Behavior, Online First, 1-15.
  • DeCarlo, J., Jenkins, M. (2015). Labor Unions, Management Innovation and Organizational Change in Police Departments. Springer Publishing.
  • Book – Police Unions and Innovation, With Michael Jenkins, Police Unions – Springer Publishing – (2015)
  • Book Review, September 2015 – Ghettoside, Journal of Sociology and Social Welfare, Volume XLII, Number 3
  • Book Chapter on Amadou Diallo in African Americans and Criminal Justice: An Encyclopedia (2015) Jones-Brown, D and Frazier, B. Greenwood Press, New York
  • Peer reviewed Journal Article – FBI Law Enforcement News – May, 2014, with Michael Jenkins, A critical Evaluation of Executive Level Police Training – US Gov. Printing Office
  • Book – Police Leaders in the New Community Problem Solving Era. With Michael Jenkins, Innovations in Policing – Carolina Academic Press – 2014
  • Peer reviewed Journal Article – Kassin, Lawson, Kuchuka and DeCarlo, (2012), Effects of video cameras on interrogation – Law and human behavior
  • Peer reviewed Journal Article – DeCarlo, J. Sedelmaier, C & Jenkins, M. (2012), Criminal Path Mapping And Its Relationship To Environmental Crime Theories, International Association of Law Enforcement Intelligence Analysts (IALEIA) Journal, 21, 1
  • Peer reviewed Journal Article - International Journal of Instructional Technology and Distance Learning – A Phenomenological Examination of Student Self Efficacy in Distance Learning – July, 2004
Recent Conference Presentations

DeCarlo J. and Markovic V. (2017) Performance Enhancement in Policing. Academy of Criminal Justice Sciences Annual Meeting, Kansas City, MO.


DeCarlo, J (2015)South Norwalk Against Crime BCJI P1.
DeCarlo, J (2016) NSF – Racial profiling study NSF LSS.

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