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Warrant needed for GPS tracking, high court says

Warrant needed for GPS tracking, high court says

January 25th, 2012 in News

Yasir Afifi shows where a GPS tracking device was placed on his car at his home in San Jose, Calif. The Supreme Court ruled unanimously Monday that police must get a search warrant before using GPS technology to track criminal suspects.

WASHINGTON (AP) - In a rare defeat for law enforcement, the Supreme Court unanimously agreed on Monday to bar police from installing GPS technology to track suspects without first getting a judge's approval. The justices made clear it wouldn't be their final word on increasingly advanced high-tech surveillance of Americans.

Indicating they will be monitoring the growing use of such technology, five justices said they could see constitutional and privacy problems with police using many kinds of electronic surveillance for long-term tracking of citizens' movements without warrants.

While the justices differed on legal rationales, their unanimous outcome was an unusual setback for government and police agencies grown accustomed to being given leeway in investigations in post-Sept. 11 America, including by the Supreme Court. The views of at least the five justices raised the possibility of new hurdles down the road for police who want to use high-tech surveillance of suspects, including various types of GPS technology.

"The Supreme Court's decision is an important one because it sends a message that technological advances cannot outpace the American Constitution," said Donald Tibbs, a professor at the Earle Mack School of Law at Drexel University. "The people will retain certain rights even when technology changes how the police are able to conduct their investigations."

A GPS device installed by police on Washington, D.C., nightclub owner Antoine Jones' Jeep and tracked for four weeks helped link him to a suburban house used to stash money and drugs. He was sentenced to life in prison before an appeals court overturned his conviction.

It's not clear how much difficulty police agencies would have with warrant requirements in this area; historically they are rarely denied warrants they request. But the Obama administration argued that getting one could be cumbersome, perhaps impossible in the early stages of an investigation. In the Jones case, police got a warrant but did not install the GPS device until after the warrant had expired and then in a jurisdiction that wasn't covered by the document.

Justice Antonin Scalia said the government's installation of the device, and its use of the GPS to monitor the vehicle's movements, constituted a search, meaning a warrant was required. "Officers encroached on a protected area," Scalia wrote.

Relying on a centuries-old legal principle, he concluded that the police action without a warrant was a trespass and therefore an illegal search. He was joined in his opinion by Chief Justice John Roberts and Justices Anthony Kennedy, Clarence Thomas and Sonia Sotomayor.

All nine justices agreed the GPS monitoring on the Jeep violated the Fourth Amendment's protection against unreasonable search and seizure, a decision the American Civil Liberties Union said was an "important victory for privacy."

But there was a major division between Scalia, the court's conservative leader, and Justice Samuel Alito, a former federal prosecutor and usually a Scalia ally, over how much further the court should go beyond just saying police can't put a GPS device on something used by a suspect without a warrant.

Alito wrote, in a concurring opinion, the trespass was not as important as the suspect's expectation of privacy and the duration of the surveillance.

"The use of longer-term GPS monitoring in investigations of most offenses impinges on expectations of privacy," Alito wrote in an opinion joined by Justices Ruth Bader Ginsburg, Stephen Breyer and Elena Kagan. Sotomayor in her concurring opinion specifically said she agreed with Alito on this conclusion.

Regarding the issue of duration, Scalia wrote "we may have to grapple" with those issues in the future, "but there is no reason for rushing forward to resolve them here."

Sotomayor, in her separate opinion, wrote it may be time to rethink all police use of tracking technology, not just long-term GPS.

"GPS monitoring generates a precise, comprehensive record of a person's public movement that reflects a wealth of detail about her familial, political, religious and sexual associations," Sotomayor said. "The government can store such records and efficiently mine them for information for years to come."