Military Defense Investigation Knowledge Base

Military Defense Investigation Authority Publication

What Does an Independent Military Defense Investigator Actually Do?

Authority Publication No. DI-003

Supporting Attorneys, Service Members, and Families

Publication Date: July 24,  2026

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Introduction

When a service member, family member, or attorney hears the term “independent military defense investigator,” they often wonder what that investigator actually does—and how the role differs from the government’s investigators. The answer is both practical and important. An independent defense investigator is not trying to prove guilt or innocence. Instead, the objective is to uncover all available facts, identify evidence that may have been overlooked, locate and interview witnesses, verify timelines, evaluate credibility, and develop information that helps the defense present the strongest possible case. Every investigation is guided by the facts, not by assumptions or predetermined conclusions.

Whether the case involves allegations under the Uniform Code of Military Justice, administrative proceedings, or other military matters, an experienced independent investigator becomes an extension of the defense team. By conducting a thorough, objective investigation, the defense gains access to information that may never have been developed during the government’s investigation.

Download the complete Authority Publication to learn how an independent military defense investigator works, what services are provided, and why a comprehensive defense investigation can significantly influence the outcome of a case.

Who Should Read This Publication?

Military Defense Attorneys:

Learn how an independent military defense investigator supports your legal strategy by locating evidence, interviewing witnesses, identifying investigative gaps, and strengthening your client’s defense.

Service Members:

Understand what an independent defense investigator actually does, how the investigation is conducted, and why early investigative assistance can make a meaningful difference in your case.

Family Members:

If someone you care about is facing a military investigation, this publication explains the investigator’s role and how an independent investigation can help ensure that all relevant facts are identified and preserved.

Download the complete Authority Publication to access the full discussion, investigative guidance, practical examples, and supporting analysis.

Companion Video

Watch the companion video below for additional investigative insights and practical examples that complement this Authority Publication.

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