John DeCarlo, Ph.D.


Ph.D. City University of New York Graduate Center, New York, NY
M.Phil. City University of New York Graduate Center, New York, NY
M.A. John Jay College of Criminal Justice, New York, NY
M.S. Tiffin University, Tiffin, Ohio


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.

Research Interests

Policing Methodologies, Police System Organization, Eyewitness Memory, Policing Efficacy and Management Strategies

Faculty Experts - Media Contact

Karen Grava

Director of Media Relations

(203) 932-7246

In The Media

Chicago Tribune: Kenneka Jenkins’ Death Strikes Chord With Amateur Sleuths, Police Critics

PolitiFact: Were Militia Groups in Charlottesville Better Equipped than Virginia State Police?

San Francisco Chronicle: Orange Police and Firefighters Get Assistance From Drone

Record Journal: Petit Home Invasion Impact on Law Enforcement

Connecticut Post: Bridgeport Police Chief: Leaving Body in View Won’t Happen Again

NewsTimes: Calls for Cop Cams After Bridgeport Teen Shot

Cincinnati Enquirer: Cincinnati Cops Off Duty Work Often Second Job

Long Island Press: What Does DOJ Review of Police Settlements Mean for SCPD Reforms?

Citizen Times: DA: Transparency Key For Community Trust

The Crime Report: Police Take New Precautions Against Ambush Attacks

The Trace: Ambush Shootings of Police Officers Reach Highest Total in Decades

AZ News Desk: Trump’s Stock in Oil Pipeline Company Raises Concern

Fortune: As Dakota Pipeline Saga Drags, Rancor Builds on Both Sides

Tampa Bay Times: As Its Social Media Grows, Pasco Sheriff’s Office Posts Photo of Man Crying After His Arrest

New Haven Register: Branford Police Build Voluntary DNA Database; But ACLU Says It’s Bad Public Policy

The Washington Post: Vigilante’ Phone App Alerts New York Users to Crime, But Police Not Thrilled

Cincinnati Enquirer: When It’s Cops Testifying Against Another Cop

Hartford Courant: Hartford Clashes With Feds Over Immigration Enforcement

Citizen Times: More Women Joining the Police Force in Asheville