18 U.S.C. § 1113 : US Code - Section 1113: Attempt to commit murder or manslaughter

      Except as provided in section 113 of this title, whoever, within
    the special maritime and territorial jurisdiction of the United
    States, attempts to commit murder or manslaughter, shall, for an
    attempt to commit murder be imprisoned not more than twenty years
    or fined under this title, or both, and for an attempt to commit
    manslaughter be imprisoned not more than seven years or fined under
    this title, or both.