LAW ENFORCEMENT CONSULTING • TRAINING • INDEPENDENT REVIEW

06THE PERSON BEHIND THE PRACTICE

J. Todd Nunley.
Experience put to work.

Law-enforcement practitioner. Instructor. Consultant. Expert witness. More than three decades of service informing VCG’s approach today.

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J. Todd Nunley guiding a participant during a classroom training session
J. Todd Nunley during a training session VCG ARCHIVE

A CAREER OF PREPARATION

He has worked in the systems he now helps others examine.

Todd brings more than 30 years of law-enforcement experience, including more than 25 years of federal service with the U.S. Marshals Service and the Bureau of Alcohol, Tobacco, Firearms and Explosives.

His background spans municipal policing, investigations, tactical operations, firearms instruction, use-of-force coordination, operational planning, instructor development, policy work and training-program evaluation.

SELECTED EXPERIENCE

The path behind the perspective.

1985

Municipal law enforcement

Began in local policing, including patrol and narcotics-investigation experience.

1992–1999

U.S. Marshals Service

Deputy U.S. Marshal and criminal investigator with experience in fugitive investigations, protective work, threat analysis and joint operations.

1999–2016

ATF special agent and instructor

Criminal investigations, violent crime, tactical operations and approximately 15 years as a primary firearms instructor for ATF’s Dallas Field Division.

2010–2016

Division Tactical Advisor

Principal tactical advisor to the Special Agent in Charge, with responsibilities involving readiness, use-of-force coordination, instructor oversight, operational-plan review and risk assessment.

2007–2016

ATF Special Response Team

Specialized tactical operations and instructional assignments, including federal tactical and firearms training.

2017–NOW

Viking Consultant Group

Continuing work in training, consulting, independent reviews and law-enforcement expert assignments.

INTERNATIONAL INSTRUCTION

Training beyond U.S. borders.

Todd has provided instructional support through U.S. Department of State antiterrorism assistance programs for foreign law-enforcement and security personnel. His recent experience includes instruction across 18 vetted courses in that program.

EDUCATION & EXPERTISE

Practiced, taught and tested.

Bachelor of Arts in Criminal Justice, University of Central Oklahoma (1998). His subject-matter expertise includes firearms, firearms training, tactics, use of force and law-enforcement policy; he has been qualified as an expert witness in state and federal courts.

His opinions rested on his real-world experience and close study of the evidence, not on general theory.

David M. Reeve — Attorney at Law, Davis Law Group, P.S. · Sept. 2026 reference letter
WHY VIKING?

The longboat remains VCG’s visual anchor—a nod to Todd and his wife’s Danish and Norwegian ancestry, and a reminder that preparation and forward movement belong together.

START A CONVERSATION

Work with experience that has done the work.

Tell us what your agency or legal team needs to examine. We’ll start with a conversation about the right scope.

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