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Pen Register Searches

  • By: Larry Burriss
  • In: Encyclopedia of the Fourth Amendment
  • Edited by: John R. Vile & David L. Hudson Jr.
  • Subject:American Political History, American Political Thought, Law & Courts

In general, there are two kinds of communications surveillance. The first type consists of “pen register” and “trap and trace” orders that gather telephone numbers to and from target telephones. The second type consists of “full intercept” orders that allow government ...

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