10 U.S.C. § 931c
Art. 131c. Misprision of serious offense
Any person subject to this chapter—
(1)
who knows that another person has committed a serious offense; and
(2)
wrongfully conceals the commission of the offense and fails to make the commission of the offense known to civilian or military authorities as soon as possible;
shall be punished as a court-martial may direct.
(Added Pub. L. 114–328, div. E, title LX, § 5446 , Dec. 23, 2016 , 130 Stat. 2956 .)