Being Questioned by CID, NCIS, OSI, or Command? What to Say (and Not Say)

Written by Michael Waddington, court-martial defense attorney, former Army JAG, and former Trial Defense Service Senior Defense Counsel. Gonzalez & Waddington defends service members in military investigations and courts-martial worldwide. Last updated: August 30, 2026.

What to Do If Questioned by CID, NCIS, or OSI: 7 Steps

Direct answer: If military investigators want to question you: (1) stay calm and be polite, (2) ask if you are a suspect or a witness, (3) invoke your Article 31 rights, (4) request a lawyer, (5) refuse consent to searches, (6) do not discuss the case with anyone but your lawyer, and (7) write down everything about the encounter. Here is each step in detail:

1. Stay calm and be respectful

Invoking your rights is not disrespect, and it is not disobedience. You can be courteous and completely silent at the same time. Do not argue, do not get emotional, and do not try to talk your way out of the room. Comply with lawful orders about where to go and when to report — just not with requests to talk about the allegation.

2. Ask: “Am I a suspect or a witness?”

Agents must advise suspects of their Article 31(b) rights before questioning. Witnesses receive no warning — and “witnesses” become suspects mid-interview all the time. If agents read you your rights, hand you a rights waiver form (DA Form 3881 in the Army, or the NCIS/OSI equivalent), or ask you to sign anything, you are a suspect no matter what they call you. Treat any ambiguous answer as “suspect.”

3. Invoke your rights — out loud, clearly

Do not hint. Do not say “maybe I should get a lawyer” — courts have treated equivocal statements as non-invocations. Say the words plainly: “I invoke my rights under Article 31. I want a lawyer. I will not answer questions.” Do not sign a rights waiver. Do not initial anything indicating you agree to talk.

4. Request counsel — military, civilian, or both

Every branch provides free, independent defense lawyers: Army Trial Defense Service (TDS), Navy–Marine Corps Defense Service Offices (DSO), Air Force and Space Force Area Defense Counsel (ADC), and Coast Guard defense counsel. They are outside your chain of command and cannot report what you tell them. You may also retain a civilian military defense lawyer at any point — including before any charges exist — and many service members use both together.

5. Refuse consent to searches — politely and clearly

Say: “I do not consent to any searches.” That includes your phone, passcode, vehicle, barracks room, wall locker, computer, and DNA or polygraph “requests.” If agents have probable cause, they can seek a warrant or a command search authorization — make them do it. Refusing consent preserves your lawyer’s ability to challenge the search later under Military Rule of Evidence 311 (see the Manual for Courts-Martial).

6. Tell no one but your lawyer

Not your battle buddy, not your roommate, not your spouse’s group chat, not Reddit. Anyone you talk to can be interviewed, and your texts and social media can be pulled. Conversations with your attorney are privileged; everything else is potential evidence.

7. Document everything immediately

As soon as you are alone, write down the date, time, and place; the agents’ names and agencies; exactly what they said and asked; whether rights were read and when; and what, if anything, you said. Send it to your lawyer. These details win suppression motions.

Who Is Questioning You? CID, NCIS, OSI, CGIS, and Command Compared

Each branch has its own felony-level criminal investigative agency. Your rights are the same with all of them — but knowing who you are dealing with tells you how serious your situation is.

If CID, NCIS, OSI, or CGIS is involved at all, assume the allegation is felony-level. These agencies do not open files for trivial matters. And regardless of the badge, none of them decides your punishment — they build a file and hand it to your command and the prosecutors.

Being Questioned by Your Command, First Sergeant, or NCO Support Channel

Direct answer: Article 31(b) applies to your chain of command, not just federal agents. Your commander, first sergeant, platoon sergeant, or any person subject to the UCMJ who suspects you of an offense must advise you of your rights before questioning you about it — and you may respectfully decline to answer even a direct question from a superior.

This surprises most service members. The military is built on obeying orders, and commanders exploit that instinct with lines like “just be straight with me,” “this stays between us,” or “I can’t help you if you don’t talk to me.” Understand three things:

• An order to answer questions about your own suspected misconduct is not a lawful order you must obey. Article 31 exists precisely because military rank pressure makes “voluntary” statements anything but voluntary.
• Nothing is “between us.” Your commander is often the person who will later decide whether you face Article 15/NJP, a board, or court-martial charges. What you say to the command goes straight into the decision-making file — and commanders routinely relay statements to investigators.
• Casual questioning counts. A “hey, come into my office” conversation, a counseling session that drifts into the allegation, or a text from the first sergeant asking “what happened Saturday night?” — the same rules and the same risks apply. See our page on command-directed investigations for how these inquiries work.

The respectful invocation for command questioning: “Sir/Ma’am, with respect, I’ve been advised not to discuss this matter and I’m invoking my Article 31 rights. I’ll comply with all lawful orders.”

Your Rights: Article 31(b) Is Broader Than Miranda

Service members actually have stronger interrogation protections than civilians — if they use them.

The statute is short enough to know cold: no person subject to the UCMJ may interrogate or request any statement from an accused or suspect without first informing them of the nature of the accusation, advising that they need not make any statement, and warning that any statement may be used as evidence against them. Read it yourself at 10 U.S.C. § 831.

What to Say to CID, NCIS, OSI, or Command — Word for Word

Direct answer: Say only three things: identify yourself, invoke your rights, and request a lawyer. Everything else waits until you have counsel.

• To investigators: “I invoke my rights under Article 31. I want a lawyer. I will not answer questions or consent to any searches.”
• To your commander or first sergeant: “Sir/Ma’am, with respect, I’m invoking my Article 31 rights and won’t discuss this matter without counsel. I’ll comply with all lawful orders.”
• If they keep pushing: “I’ve invoked my rights. I have nothing further to say.” — then repeat it, verbatim, as many times as needed. Do not fill the silence.
• If asked for your phone or passcode: “I do not consent to any searches, and I won’t provide my passcode without speaking to a lawyer.”
• If asked to take a polygraph: “Not without my lawyer.” Polygraph results are generally inadmissible — the “exam” is an interrogation tool, and the most dangerous part is the conversation before and after the machine.

Once you invoke, questioning must stop. If agents re-approach you days or weeks later — a standard move — invoke again and call your lawyer. Re-approaches after a cooling-off period are how the government collects the statement it failed to get the first time.

What NOT to Say: The Statements That Destroy Defenses

Investigators do not need a confession to charge you. They need your version on the record — something to contradict, lock in, and dismantle. These are the statements that hurt clients most:

• “I’ll just tell my side and clear this up.” There is no clearing it up. The interview exists to document your account so it can be compared against evidence you have not seen. Any innocent inconsistency — a wrong time, a misremembered detail — becomes “he lied to agents.”
• Detailed denials. “I never touched her,” “I was home by 2300,” “I’ve never used drugs in my life.” Each specific claim is a tripwire. If one detail is wrong, you now face a false official statement charge under Article 107 (10 U.S.C. § 907) — often easier to prove than the original allegation.
• Minimizing admissions. “We were flirting but it was consensual.” “I borrowed the money and meant to pay it back.” “I only hit him once.” Agents offer these framings on purpose — they sound like an out, and each one is a confession to an element of the offense.
• Apologies. “Tell her I’m sorry things went this far” reads, in a report of investigation, as consciousness of guilt.
• Speculation. “Maybe I blacked out.” “I guess it’s possible.” You just handed the government a theory.
• Anything in a pretext call or text. If an accuser suddenly wants to “talk about what happened,” assume agents are listening and scripting the other side of the conversation. Do not apologize, do not explain, do not engage. Say nothing and call a lawyer.
• A second statement to “fix” the first. If you already talked, do not go back in to clean it up. The second statement never fixes the first; it creates contradictions between the two.

The tactics they will use on you

Military investigators are trained interrogators. Expect: false claims that they have DNA, video, or witness statements (“we already know everything — this is your chance to explain”); minimization (“this doesn’t have to ruin your career”); false urgency (“this offer is gone when you leave this room”); the good cop’s sympathy; the theme that only guilty people need lawyers; and promises to “put in a good word with the commander.” Every one of these is lawful, standard, and effective — on people without counsel. None of it works on someone who says eleven words and stops talking.

Speaking vs. Silence: How Each Choice Plays Out

NCIS Says I’m a Suspect. What Should I Do?

Direct answer: If NCIS (or CID or OSI) tells you that you are a suspect, do five things immediately: (1) invoke your Article 31 rights and stop all communication with agents; (2) refuse consent to any search of your phone, car, or room; (3) do not contact the accuser or any potential witness; (4) preserve — do not delete — your own texts, photos, and records; and (5) get a defense lawyer involved that day, before any interview.

Being named a suspect means NCIS believes there is credible information that you committed an offense. It also usually means agents have already done substantial work you know nothing about — accuser and witness interviews, message pulls, and possibly a pretext call that already happened. Here is what to understand about your position:

• The interview request is not a formality — it is the main event. In many cases, your statement is the single most important piece of evidence the government hopes to collect. Declining to provide one is your right and often the most consequential defensive decision in the entire case.
• You will likely be “titled.” When a military criminal investigative organization finds credible information a suspect committed an offense, the suspect is listed as such in the report of investigation and indexed in federal databases — an administrative act, not a finding of guilt, but one that can surface in background checks and clearance adjudications for years. Fighting the case hard at this stage is also how you protect your record later.
• A no-contact order is probably coming. Follow it to the letter. A single text to the accuser — even “please tell them the truth” — can become an Article 92 orders violation or an obstruction charge that is far easier to prove than the underlying allegation.
• Do not delete anything. Deleting messages or wiping devices reads as consciousness of guilt, is often forensically recoverable, and can support separate obstruction charges. Preserve your evidence and give it to your lawyer — favorable texts, receipts, location history, and witness names have unraveled many accusations.
• The waiting is strategy, not neglect. Months of silence after your interview refusal is normal. NCIS investigations of serious offenses routinely run six months to a year. Silence does not mean the case died — your lawyer can monitor status; you should not.

What happens next procedurally: NCIS completes its report and forwards it to your command and the servicing legal office. The command, with JAG advice, chooses among no action, adverse administrative measures, nonjudicial punishment, administrative separation or a board of inquiry, or preferral of court-martial charges — with an Article 32 preliminary hearing required before any general court-martial referral. A defense lawyer working the case during the investigation can put exculpatory evidence and legal analysis in front of those decision-makers before they choose — the window where cases get closed or resolved at the lowest level.

“I Already Talked to Them.” Is It Too Late?

Direct answer: No — but stop talking now, and do not give a second statement to “fix” the first. A lawyer can review exactly what was said and how, and statements taken in violation of Article 31(b), obtained through coercion, or preceded by a defective rights advisement can be suppressed at trial.

Interrogations are typically recorded. Your lawyer will obtain the video or transcript and examine: whether you were a suspect before warnings were given; whether the advisement covered the actual offense; whether questioning continued after an invocation; whether promises or threats induced the statement; and whether the “voluntary” interview was in reality custodial. Suppression litigation wins cases — but only if you stop adding to the record today.

What Happens After the Questioning: The Possible Outcomes

An investigation ends in one of a handful of places. From least to most serious: case closed with no action; adverse administrative action (a letter of reprimand or GOMOR, negative counseling or evaluation entries); nonjudicial punishment under Article 15 (Captain’s Mast/Office Hours); administrative separation or board of inquiry, where an Other Than Honorable characterization can strip benefits; or court-martial, where convictions can mean confinement, a punitive discharge, federal conviction status, and — for qualifying offenses — sex offender registration. Consult our UCMJ maximum punishments chart to understand the ceiling for any charged offense.

Two consequences operate on a lower standard of proof than a court-martial, and both are why “the case got dropped” is not the end of the story: administrative actions need only a preponderance of the evidence, and titling/indexing of the investigation persists independent of the outcome. A complete defense addresses the criminal case, the administrative fallout, and the record — in that order of urgency.

How a Civilian Military Defense Lawyer Changes the Investigation

Early representation is not about the trial that might happen in a year — it is about the decisions being made right now:

• Ending the interrogation threat. Once counsel is on record, agents route contact through your lawyer. No more re-approaches, “quick follow-ups,” or pretext calls that work.
• Running a parallel defense investigation. Interviewing favorable witnesses before their memories fade or their statements calcify, preserving texts, location data, and records that support your account, and identifying the accusation’s inconsistencies while the case is still forming.
• Building the suppression record. Cataloging rights violations, defective advisements, and unlawful searches for motions practice under the Military Rules of Evidence.
• Advocating before disposition. Presenting exculpatory evidence and legal argument to the command and staff judge advocate before they decide what to do with the report of investigation — the highest-leverage moment in the entire case.
• Defending every forum that follows. NJP, separation boards, boards of inquiry, Article 32 hearings, courts-martial, and the clearance and titling fights afterward.

Your detailed military defense counsel is free, independent, and worth requesting immediately. A civilian military defense lawyer adds counsel who can engage before military counsel is detailed, is independent of government detailing and caseloads, and stays with your case through PCS moves and across forums. The two routinely work as a team.