Legal Analysis and Commentary from Justia
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The Supreme Court Decides the GPS Case, United States v. Jones, and the Fourth Amendment Evolves: Part Two in a Two-Part Series of Columns

In Part Two in a two-part series of columns, Justia columnist and Cornell law professor Sherry Colb continues her commentary on the Supreme Court’s recent GPS (Global Positioning System) decision, which concerned the scope of the Fourth Amendment’s protection against unreasonable searches and seizures. As Colb explains, the Court was unanimous regarding the decision’s result: The police had, indeed, performed a Fourth Amendment search or seizure by—without a warrant—attaching a GPS device to a suspect’s car, and then using the device to monitor the car’s movements over a four-week period. Yet, as Colb points out, the Court was divided as to the reason for the result, offering two alternative rationales for the case’s outcome. Here, in Part Two, Colb explains why Justices Scalia and Alito—both deemed to be conservative—nevertheless differed regarding what the proper rationale for the Court’s unanimous ruling ought to be. Colb argues that Justice Alito’s rationale is the more compelling of the two. Continue reading →