[JURIST] A lawyer for the US Department of Justice (DOJ) [official website] on Thursday defended the warrantless use of global positioning system (GPS) [JURIST news archive] devices on suspects' vehicles despite a January Supreme Court [official website] ruling declaring GPS tracking to be a "search" under the Fourth Amendment [text]. In oral arguments before the US Court of Appeals for the Ninth Circuit [official website] on Thursday, the DOJ argued that the Supreme Court's decision in United States v. Jones...

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