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 | | This case presents the question whether the installation and use of a pen register 1 constitutes a "search" within the meaning of the Fourth Amendment, 2 made applicable to the States through the Fourteenth Amendment. |
 | | Co., 434 U.S. Given a pen register's limited capabilities, therefore, petitioner's argument that its installation and use constituted a "search" necessarily rests upon a claim that he had a "legitimate expectation of privacy" regarding the numbers he dialed on his phone. |
 | | Co., 434 U.S. -167, that under Title III of the Omnibus Crime Control and Safe Streets Act of 1968, 18 U.S.C. 2510-2520, pen registers are not considered "interceptions" because "they do not acquire the `contents' of communications," as that term is defined by Congress. |
| caselaw.lp.findlaw.com /scripts/getcase.pl?navby=case&court=us&vol=442&invol=735 (4752 words) |
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