18 U.S.C. § 2244 : US Code - Section 2244: Abusive sexual contact

      (a) Sexual Conduct in Circumstances Where Sexual Acts Are
    Punished by This Chapter. - Whoever, in the special maritime and
    territorial jurisdiction of the United States or in a Federal
    prison, or in any prison, institution, or facility in which persons
    are held in custody by direction of or pursuant to a contract or
    agreement with the head of any Federal department or agency,
    knowingly engages in or causes sexual contact with or by another
    person, if so to do would violate - 
        (1) subsection (a) or (b) of section 2241 of this title had the
      sexual contact been a sexual act, shall be fined under this
      title, imprisoned not more than ten years, or both;
        (2) section 2242 of this title had the sexual contact been a
      sexual act, shall be fined under this title, imprisoned not more
      than three years, or both;
        (3) subsection (a) of section 2243 of this title had the sexual
      contact been a sexual act, shall be fined under this title,
      imprisoned not more than two years, or both;
        (4) subsection (b) of section 2243 of this title had the sexual
      contact been a sexual act, shall be fined under this title,
      imprisoned not more than two years, or both; or
        (5) subsection (c) of section 2241 of this title had the sexual
      contact been a sexual act, shall be fined under this title and
      imprisoned for any term of years or for life.

      (b) In Other Circumstances. - Whoever, in the special maritime
    and territorial jurisdiction of the United States or in a Federal
    prison, or in any prison, institution, or facility in which persons
    are held in custody by direction of or pursuant to a contract or
    agreement with the head of any Federal department or agency,
    knowingly engages in sexual contact with another person without
    that other person's permission shall be fined under this title,
    imprisoned not more than two years, or both.
      (c) Offenses Involving Young Children. - If the sexual contact
    that violates this section (other than subsection (a)(5)) is with
    an individual who has not attained the age of 12 years, the maximum
    term of imprisonment that may be imposed for the offense shall be
    twice that otherwise provided in this section.