A commander who is dissatisfied with a subordinate’s performance often says so in an email, sometimes formally and sometimes in passing. When that subordinate later faces a court-martial, the government may want to use the email, and the defense may want to keep it out, or vice versa. Whether an informal reprimand captured in a command email comes into evidence is not a yes-or-no question. It depends on what the email is offered to prove and which Military Rules of Evidence (MRE) the proponent must clear, principally the rules on relevance, hearsay, character evidence, and balancing.
First question: what is the email offered to prove?
The admissibility analysis begins with purpose, because the same email can be admissible for one use and inadmissible for another. If the government offers an email reprimand simply to show that the accused was on notice of a duty or a standard, the email may not be hearsay at all, because it is not offered to prove the truth of its contents but to show its effect on the listener. If instead the government offers the email to prove that the accused actually committed the conduct described in it, the email is being used for the truth of what it asserts, and the hearsay rules engage fully.
Relevance under MRE 401 and 402
Nothing comes in unless it is relevant. Under MRE 401, evidence is relevant if it has any tendency to make a fact of consequence more or less probable, and MRE 402 makes relevant evidence generally admissible. An informal reprimand can be relevant in several ways: to show notice, to show a motive to retaliate or to perform, or, in sentencing, to show the accused’s duty performance and character. But relevance is only the threshold, and an informal email reprimand often runs into more demanding rules at the next step.
The hearsay problem
If the email is offered for the truth of its contents, it is an out-of-court statement and presumptively inadmissible hearsay under MRE 802 unless an exception or exclusion applies. Two avenues are commonly explored.
The first is the business or public records framework. MRE 803(6) covers records of a regularly conducted activity, and MRE 803(8) covers public records. A casual, one-off email scolding a subordinate is a poor fit for either, because these exceptions require records made and kept in the regular course of an organized activity, with indicia of reliability, not a spontaneous expression of a supervisor’s irritation. Even where a record might otherwise qualify, MRE 803(8) excludes, in a criminal case, matters observed by law-enforcement personnel, and courts resist letting the government smuggle the same excluded material in through the business-records door. An informal reprimand email rarely satisfies the foundational requirements of either exception.
The second avenue depends on who wrote the email. If the accused wrote it, the accused’s own statements are admissible against the accused as statements of a party-opponent under MRE 801(d)(2) and are not hearsay. But an informal reprimand is normally written by the commander about the accused, not by the accused, so this exclusion typically does not help the government admit the commander’s words for their truth. The commander’s statement remains hearsay as to the accused unless the commander testifies and is subject to cross-examination, in which case the email may serve to refresh recollection or as a prior statement under the rules governing witness testimony.
Character evidence and MRE 404
If the email is offered to suggest that the accused is the kind of person who performs poorly or breaks rules, MRE 404 stands in the way. MRE 404(b) forbids using other acts to prove character in order to show conduct in conformity with that character. The government cannot use a prior informal reprimand to argue that because the accused was scolded before, the accused likely committed the charged offense. The email could be admissible under MRE 404(b) for a proper purpose such as knowledge, motive, or absence of mistake, but only if the proponent articulates that purpose and the evidence genuinely supports it.
MRE 403 balancing
Even relevant, non-hearsay, properly purposed evidence must survive MRE 403, which allows the military judge to exclude evidence when its probative value is substantially outweighed by unfair prejudice, confusion, or waste of time. Informal email reprimands are vulnerable here because they often carry an emotional or accusatory tone that risks inflaming the panel beyond the email’s actual probative worth. A judge who admits such an email for a limited purpose will commonly give a limiting instruction confining the members to that purpose.
Where the email is most likely to come in: sentencing
The picture changes after findings. During the presentencing phase, the rules permit a wider range of evidence about the accused’s character and duty performance, and personnel records and similar materials about the accused’s service may be considered subject to the applicable rules and proper foundation. An informal reprimand, even one that struggled for admission on the merits, may have a more realistic path during sentencing, where the panel is assessing the accused as a service member rather than deciding guilt. Even then, foundation and balancing requirements continue to apply.
Putting it together
Informal reprimands documented in command emails are not automatically admissible at trial, and they are not automatically excluded. The outcome depends on purpose and foundation. Offered for notice or effect on the listener, an email may avoid the hearsay bar entirely. Offered for the truth of its contents, it usually fails the business-records and public-records exceptions, and it qualifies as a party-opponent admission only if the accused authored it. Offered to show the accused’s bad character, it collides with MRE 404, and in every case it must survive MRE 403 balancing. The most realistic route to admission is often during sentencing rather than on the merits. A party facing such an email should press the hearsay and foundation questions first, because that is where most informal email reprimands fall short.
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.
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