Uniform Code of Military Justice
Article 193. Obstruction of Military Police.
(a) A person subject to this Code is guilty under this Article when the person knowingly and intentionally obstructs, impedes, delays, intimidates, or materially interferes with Military Police or another military law-enforcement officer who is lawfully performing official duties, and the conduct actually causes or creates a substantial risk of material interference.
(b) Mere criticism, verbal disagreement, refusal to consent to a search, lawful silence, request for counsel, request for a supervisor, filing a complaint, or other lawful assertion of a right does not constitute obstruction.
(c) This Article does not punish refusal to comply with an unlawful command or unlawful police action.
(d) A person guilty under this Article shall be punished as a court-martial may direct.