18 U.S.C. § 2381 : US Code - Section 2381: Treason

      Whoever, owing allegiance to the United States, levies war
    against them or adheres to their enemies, giving them aid and
    comfort within the United States or elsewhere, is guilty of treason
    and shall suffer death, or shall be imprisoned not less than five
    years and fined under this title but not less than $10,000; and
    shall be incapable of holding any office under the United States.