When a service member faces serious charges and a mental health issue is in play, the defense must decide how early to surface it. The Article 32 preliminary hearing, governed by Rule for Courts-Martial (RCM) 405, is the first formal adversarial proceeding in a general court-martial track, so it is natural to ask whether a mental health defense can be previewed there. The short answer is that aspects of a mental health issue can be raised at the hearing, but the hearing is not the place where such a defense is decided, and counsel must weigh the limited benefits against the real risk of tipping a hand too early.
What the Article 32 hearing is for
The preliminary hearing has a narrow purpose. The preliminary hearing officer, or PHO, determines whether there is probable cause to believe the charged offenses occurred and that the accused committed them, considers jurisdiction and the form of the charges, and recommends a disposition. The PHO is not a trial factfinder and does not decide guilt or resolve affirmative defenses. That structural limit shapes what a mental health defense can accomplish at this stage. A defense of lack of mental responsibility is an affirmative defense decided at trial, not at the preliminary hearing.
How a mental health issue can surface at the hearing
Even though the PHO does not adjudicate the defense, there are legitimate ways a mental health issue can appear in the proceeding.
The defense may present evidence at the hearing in reasonable forms, and the rules allow the PHO to consider documentary material. If there is a written medical report bearing on the accused’s mental capacity or mental responsibility, that material can be offered and, when received, attached to the PHO’s report. This places the issue on the record and before the convening authority who will decide how to dispose of the charges.
A request for an inquiry into the accused’s mental condition can also originate around this stage. Under RCM 706, a sanity board can be requested to evaluate competence to stand trial and mental responsibility for the charged offenses, and a range of participants, including a PHO, trial counsel, defense counsel, the military judge, a commander, or a member, may request one. A good-faith, non-frivolous request is the standard, and the inquiry is the proper mechanism for developing the clinical questions that underlie a mental responsibility defense. Raising the need for that inquiry can be part of what unfolds in the preliminary hearing period.
The defense may also use the hearing’s limited window to argue disposition. Even without litigating the defense, counsel can point to mental health considerations to argue that the charges should be resolved short of a general court-martial, since recommending a disposition is precisely what the PHO does.
What the hearing cannot do
It is important to be clear about the ceiling. The PHO will not find the accused not guilty by reason of lack of mental responsibility, will not decide whether the affirmative defense succeeds, and will not weigh competing experts to resolve the clinical dispute. Those determinations belong to the trial forum. The defense of lack of mental responsibility requires proof that, at the time of the offense, the accused, because of a severe mental disease or defect, was unable to appreciate the nature and quality or the wrongfulness of the conduct, and it is litigated and decided at the court-martial, not at the preliminary hearing. Likewise, competence to stand trial is resolved through the established procedures, informed by a sanity board, rather than by the PHO.
The strategic cost of previewing
Because the hearing cannot deliver a favorable verdict on the defense, the decision to preview is largely strategic, and the costs are real. Whatever the defense shows at the hearing educates the government about the theory, the supporting documents, and the likely experts well before trial. That preview can let trial counsel prepare rebuttal, line up its own evaluation, and shape the charges with the defense theory in mind. The hearing also generates a record that may later be used to test the consistency of witnesses, including any clinical witnesses, so an early, incomplete airing of a mental health theory can create impeachment material against the defense.
For these reasons, experienced counsel often limit what they reveal at the preliminary hearing, using it to preserve issues, to seek the RCM 706 inquiry, and to argue disposition, while reserving the full development of a mental responsibility or partial mental defense for trial, where it can actually be decided and where the defense controls the timing of its disclosure.
Bottom line
Mental health issues can be previewed at the Article 32 hearing, but only in a limited sense. Counsel can offer a written medical report, seek an RCM 706 sanity board, and argue mental health considerations toward a favorable disposition. What the hearing cannot do is adjudicate the affirmative defense of lack of mental responsibility or determine competence, because those questions are reserved for the trial forum. Whether to preview at all is a strategic judgment that balances putting the issue on the record and pressing for disposition against the cost of educating the government and creating an early record before the defense is fully developed.
Disclaimer
This article is provided strictly for general educational and informational purposes. It is intended to explain how the Uniform Code of Military Justice (UCMJ), the Rules for Courts-Martial, the Military Rules of Evidence, and related military administrative processes work as a matter of public legal education. It does not constitute legal advice, a legal opinion, or a recommendation about any particular case, and it is not a substitute for advice from a qualified military defense attorney who can evaluate the specific facts and command, service, and jurisdictional circumstances involved.
Reading this article, or contacting any website on which it appears, does not create an attorney-client relationship between the reader and any law firm, attorney, or author. Every court-martial, nonjudicial punishment action, administrative separation, and security-clearance matter turns on its own facts, the charged articles, the convening authority, the service branch, and the evidence, and outcomes vary widely from one case to another.
Military law also changes over time. The Military Justice Act of 2016 (effective January 1, 2019) and subsequent National Defense Authorization Acts renumbered and rewrote many punitive articles, revised the Article 32 preliminary hearing, and altered sentencing, clemency, and appellate procedures. Statutes, regulations, executive orders, the Manual for Courts-Martial, and decisions of the service Courts of Criminal Appeals and the Court of Appeals for the Armed Forces may have been amended, superseded, or reinterpreted after this article was written, and article numbers or procedures cited here may have changed.
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