18 U.S.C. § 2339A : US Code - Section 2339A: Providing material support to terrorists

      (a) Offense. - Whoever provides material support or resources or
    conceals or disguises the nature, location, source, or ownership of
    material support or resources, knowing or intending that they are
    to be used in preparation for, or in carrying out, a violation of
    section 32, 37, 81, 175, 229, 351, 831, 842(m) or (n), 844(f) or
    (i), 930(c), 956, 1091, 1114, 1116, 1203, 1361, 1362, 1363, 1366,
    1751, 1992, 2155, 2156, 2280, 2281, 2332, 2332a, 2332b, 2332f,
    2340A, or 2442 of this title, section 236 of the Atomic Energy Act
    of 1954 (42 U.S.C. 2284), section 46502 or 60123(b) of title 49, or
    any offense listed in section 2332b(g)(5)(B) (except for sections
    2339A and 2339B) or in preparation for, or in carrying out, the
    concealment of an escape from the commission of any such violation,
    or attempts or conspires to do such an act, shall be fined under
    this title, imprisoned not more than 15 years, or both, and, if the
    death of any person results, shall be imprisoned for any term of
    years or for life. A violation of this section may be prosecuted in
    any Federal judicial district in which the underlying offense was
    committed, or in any other Federal judicial district as provided by
      (b) Definitions. - As used in this section - 
        (1) the term "material support or resources" means any
      property, tangible or intangible, or service, including currency
      or monetary instruments or financial securities, financial
      services, lodging, training, expert advice or assistance,
      safehouses, false documentation or identification, communications
      equipment, facilities, weapons, lethal substances, explosives,
      personnel (1 or more individuals who may be or include oneself),
      and transportation, except medicine or religious materials;
        (2) the term "training" means instruction or teaching designed
      to impart a specific skill, as opposed to general knowledge; and
        (3) the term "expert advice or assistance" means advice or
      assistance derived from scientific, technical or other
      specialized knowledge.