Uniform Code of Military Justice
Article 172. Witness Tampering.
(a) A person subject to this Code is guilty of witness tampering when, with intent to interfere unlawfully with testimony or evidence, the person knowingly uses—
(i) intimidation;
(ii) threat;
(iii) coercion;
(iv) corrupt persuasion;
(v) an improper benefit; or
(vi) materially deceptive conduct.
(b) Lawful witness preparation, advice concerning legal rights, and good-faith efforts to obtain truthful testimony do not violate this Article.
(c) A person guilty under this Article shall be punished as a court-martial may direct.