Does the Fourth Amendment allow for a warrantless search and seizure of cellphone location data by the police? Ilya Shapiro, senior fellow in constitutional studies at the Cato Institute and editor-in-chief of the Cato Supreme Court Review, outlines the issues at stake in the upcoming Supreme Court case, Carpenter v. United States. 

Oral argument is November 29, 2017.

Follow Ilya Shapiro: @ishapiro
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