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Pen Registers And Privacy: Risks, Expectations, And The Nullification Of Congressional Intent, Clifford S. Fishman
Pen Registers And Privacy: Risks, Expectations, And The Nullification Of Congressional Intent, Clifford S. Fishman
Scholarly Articles
In United States v. New York Telephone Co. the Supreme Court first ruled that an ordinary search warrant sufficed to authorize law enforcement use of a pen register. Additionally, the Court ruled that a federal district judge possessed the authority to include within the search warrant an order compelling a telephone company to assist the government by installing a pen register on the targeted telephone.
In Smith v. Maryland, the Court considered the legality of pen register surveillance conducted by a telephone company pursuant to an informal police request, that is, without a warrant or other court order. In holding …