; (G) the offense is committed in the territorial sea (including the airspace above and the seabed and subsoil below, and artificial islands and fixed structures erected thereon) of the United States; or (H) the offense is committed within the special maritime and territorial jurisdiction of the United States. (2) Co-conspirators and accessories after the fact Jurisdiction shall exist over all principals and co-conspirators of an offense under this section, and accessories after the fact to any offense under this section, if at least one of the circumstances described in subparagraphs (A) through (H) of paragraph (1) is applicable to at least one offender. (c) Proof requirements The following shall apply to prosecutions under this section: (1) Knowledge The prosecution is not required to prove knowledge by any defendant of a jurisdictional base alleged in the indictment. (2) State law In a prosecution under this section that is based upon the adoption of State law, only the elements of the offense under State law, and not any provisions pertaining to criminal procedure or evidence, are adopted. (d) Definitions As used in this section— (1) the term facility of interstate or foreign commerce has the meaning given that term in section 1958(b)(2); (2) the term serious bodily injury has the meaning given that term in section 1365(h)(3); (3) the term firearm has the meaning given that term in section 921(a)(3); (4) the term weapon of mass destruction has the meaning given that term in section 2332a(c)(2)