Supreme Court Agrees to Hear Cellphone Tracking Case -<br />By ADAM LIPTAKJUNE 5, 2017<br />WASHINGTON — The Supreme Court agreed on Monday to decide whether the government needs a warrant<br />to obtain information from cellphone companies showing their customers’ locations.<br />Relying on the Smith decision’s “third-party doctrine,” federal appeals courts have said<br />that government investigators seeking data from cellphone companies showing users’ movements do not require a warrant<br />16-402, concerns historical data held by cellphone companies<br />that shows users’ movements over time and could, for instance, place them at the scene of a crime.<br />In 1979, in Smith v. Maryland, the Supreme Court ruled<br />that a robbery suspect had no reasonable expectation that his right to privacy extended to the numbers dialed from his phone.
