Definitions

For the purposes of this Act— (a) Pen register and trap and trace device The terms pen register and trap and trace device have the meanings given such terms in section 3127 of title 18, United States Code. (b) United States citizen The term United States citizen means an individual who is a citizen of the United States. (c) Foreign intelligence information The term foreign intelligence information means— (1) information that relates to, and if concerning a United States citizen is necessary to, the ability of the United States to protect against— (A) actual or potential attack or other grave hostile acts of a foreign power or an agent of a foreign power; (B) sabotage, international terrorism, or the intentional proliferation of weapons of mass destruction by a foreign power or an agent of a foreign power; or (C) clandestine intelligence activities by an intelligence service or network of a foreign power or by an agent of a foreign power; or (2) information with respect to a foreign power or foreign territory that relates to, and if concerning a United States citizen, is necessary to— (A) the national defense or the security of the United States; or (B) the conduct of the foreign affairs of the United States. (d) Electronic surveillance The term electronic surveillance means— (1) the acquisition by an electronic, mechanical, or other surveillance device of the contents of any wire or radio communication sent by or intended to be received by a particular, known United States citizen who is in the United States, if the contents are acquired by intentionally targeting that United States citizen, under circumstances in which a citizen has a reasonable expectation of privacy and a warrant would be required for law enforcement purposes; or (2) the installation or use of an electronic, mechanical, or other surveillance device in the United States for monitoring to acquire information, other than from a wire or radio communication, under circumstances in which a citizen has a reasonable expectation of privacy and a warrant would be required for law enforcement purposes. (e) Wire communication The term wire communication means any communication while it is being carried by a wire, cable, or other like connection furnished or operated by any person engaged as a common carrier in providing or operating such facilities for the transmission of interstate or foreign communications.