Yes, a like, a share, a repost, or a reaction on social media can be offered as evidence in a military harassment proceeding, whether that proceeding is a court-martial, a nonjudicial punishment hearing, or an administrative or equal-opportunity investigation. But getting such evidence in front of a decision maker, and giving it real weight, requires the proponent to clear several hurdles. The fact that someone clicked a button is rarely the whole story, and both the technical and the interpretive problems with this kind of evidence are significant.
What kind of proceeding matters
The rules differ depending on the forum. A general or special court-martial applies the Military Rules of Evidence, which mirror the Federal Rules in most respects. Nonjudicial punishment under Article 15 and most administrative actions, such as separation boards or equal-opportunity inquiries, are not bound by the formal rules of evidence, so a like or share can be considered more freely there. This answer focuses mainly on the court-martial setting, because that is where the evidentiary standards are most demanding and most instructive.
Authentication comes first
Before a like or share can be admitted at a court-martial, the proponent must authenticate it. Military Rule of Evidence 901 requires evidence sufficient to support a finding that the item is what the proponent claims it to be. For social media activity this is harder than it looks. A screenshot showing that an account liked a post does not, by itself, prove who was behind the keyboard. Accounts can be shared, hacked, spoofed, or accessed by others, and platform interfaces change over time.
Proponents authenticate this kind of evidence in several ways. A witness with personal knowledge can testify that the account belongs to the accused and that the activity is accurately depicted. The platform itself can produce business records, obtained through proper legal process, that document the account, the device, and the timing of the interaction. Distinctive characteristics under Military Rule of Evidence 901(b)(4), such as content only the accused would know, can also support authentication. Static screenshots alone are vulnerable, because they typically lack the metadata, account attribution, and context that establish reliability.
Relevance and the meaning of a click
Authentication only gets the evidence in the door. The next question is what the like or share actually proves. Under Military Rule of Evidence 401, the evidence must make a fact of consequence more or less probable. A like is ambiguous. It can signal agreement, but it can also signal acknowledgment, bookmarking, sarcasm, support for an unrelated part of a post, or even an accidental tap. A share can mean endorsement, or it can mean criticism, mockery, or a desire to alert others to objectionable content.
Because of this ambiguity, the proponent usually needs more than the bare interaction. Context matters. Repeatedly amplifying targeted, degrading content aimed at a specific service member tells a more coherent story than a single isolated like. The pattern, the targeting, the timing relative to other conduct, and any accompanying comments or messages are what give the interaction evidentiary force in a harassment analysis. Standing alone, one click is weak; embedded in a course of conduct, it can be telling.
Hearsay and the content of the post
A frequent complication is hearsay. If the underlying post contains statements offered for their truth, those statements may be hearsay under Military Rule of Evidence 801. But in harassment cases, the content is often not offered to prove that what it says is true. It is offered to show that the conduct occurred, that the target was demeaned, or that the environment was hostile. Statements offered for that non-truth purpose are not hearsay at all. The accused’s own posts, likes, and shares, when offered against the accused, are admissions by a party-opponent under Military Rule of Evidence 801(d)(2) and are treated as non-hearsay.
The balancing test and unfair prejudice
Even authenticated, relevant, non-hearsay social media activity must survive Military Rule of Evidence 403. A military judge may exclude it if its probative value is substantially outweighed by unfair prejudice, confusion of the issues, or the risk that members will read too much into an ambiguous click. The defense will often argue that a single like proves nothing and that admitting it invites the panel to brand the accused based on mere association with offensive content rather than on proven harassing conduct.
How harassment is framed in the military
In a court-martial, online harassment is typically charged not as a standalone “harassment” offense but through provisions such as Article 134 for conduct prejudicial to good order and discipline or service-discrediting conduct, or specific articles addressing communicating threats, cyberstalking, or the wrongful distribution of intimate images under Article 117a. Equal-opportunity and anti-harassment policies also drive administrative and command responses. In all of these, social media activity is evaluated for what it shows about the accused’s conduct and its effect on the target and the unit.
The practical takeaway
Likes and shares are admissible in principle and are used in real cases, but they are not self-proving. A proponent must authenticate the activity, tie it to the accused, give it meaning through context and pattern, address hearsay, and survive the balancing test. A defense attorney should press hard on attribution and on the ambiguity of a single interaction, because the gap between clicking a button and committing harassment is exactly where this kind of evidence is most often defeated.
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.
For these reasons, no reader should act or decline to act based on this content without first consulting a licensed attorney experienced in military justice about their own situation. The author and publisher make no warranty, express or implied, as to the accuracy, completeness, timeliness, or current applicability of the information provided, and disclaim any liability for any action taken or not taken in reliance on it. If you are facing investigation, charges, or an adverse administrative action, time limits may apply, and you should seek qualified counsel promptly.