SEC. 215. DIPLOMATIC SECURITY SERVICE. (a) Section 2709(a)(1) of title 22, United States Code, is amended to read as follows:'(1) conduct investigations concerning" '(A) illegal passport or visa issuance or use; '(B) identity theft or document fraud affecting or relating to the programs, functions, and authorities of the Department of State; '(C) violations of chapter 77 of title 18, United States Code; and '(D) Federal offenses committed within the special maritime and territorial jurisdiction defined in paragraph (9) of section 7 of title 18, United States Code, except as that jurisdiction relates to the premises of United States military missions and related residences;".
(b) Construction." Nothing in this section shall be construed to limit the investigative authority of any other Federal department or agency.