Paul F. Duffy Expert Witness
Curriculum Vitae

Contact this Expert Witness

  • Company: Group Nine Risk Consulting
  • Phone: (912) 506-4429

Specialties & Experience of this Expert Witness

General Specialties:

Police Practices & Procedures

Keywords/Search Terms:

Use of Force, Police Procedures, Officer Involved Shootings, Arrest Procedures, Security, Premises Liability, Negligent Security


Masters in Justice Administration, Columbus State University; Bachelors Criminal Justice, Florida Atlantic University

Years in Practice:


Additional Information

Paul is a consultant with Group Nine Risk Consulting, a firm specializing in security risk management, forensic consulting, and security / law enforcement training. Paul Joined Group Nine Risk Consulting following a successful military and federal law enforcement career that spanned over thirty years. Paul was employed by the U.S. Marshals Service (USMS) for 24 years, retiring as the Sex Offender Investigations Coordinator in the Southern District of Georgia. Paul continues his service with the USMS as a part time contractor. Paul served as an Instructor at the USMS Training Division for thirteen years certified as an instructor in use of force, basic tactics, active shooter, less than lethal devices, and firearms. He is also a certified instructional systems design instructor and has created or revised training for various law enforcement agencies. He received certification as a 21st Century Anti-Biased Policing Instructor through the Department of Justice. While with the USMS, Paul served as an Inspector with the Office of Professional Responsibility investigating employee misconduct. In this capacity, Paul was responsible for reviewing all use of force reports involving both USMS personnel and task force officers. Paul was the lead on numerous officer involved shooting cases as well. Paul is a certified Force Science Analyst having successfully completed the Force Science training and exam requirements. Paul also graduated from the Federal Law Enforcement Training Center's two-week Use of Force Instructor Training Program. Paul's career also involved aspects of security risk management including the preparation of security requirements for high threat events to include access control, security assessments, protective intelligence, and supervising security personnel. Paul also planned and provided security for dignitaries to include Supreme Court Justices, Federal Judges, US Attorneys, jurors, and witnesses. Paul is a member of the International Association of Chief's of Police, the International Law Enforcement Educators and Trainers Association and ASIS International. Paul has been qualified in both federal and state court on multiple occasions as a federal law enforcement officer and provided testimony in various hearings, grand jury proceedings, and jury trials. References from previous casework: Hiawatha Northington II, Partner Gordon & Rees Scully Mansukhani (601)427-6239 [email protected] Sarah McMurray Assistant US Attorney Western District of Oklahoma (405)553-8700 [email protected] Rebecca Frazier Assistant US Attorney Western District of Oklahoma (405)553-8700 [email protected]