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Amicus Brief -- Riley V. California And United States V. Wurie, Charles E. Maclean, Adam Lamparello

Adam Lamparello

Warrantless searches of cell phone memory—after a suspect has been arrested, and after law enforcement has seized the phone—would have been unconstitutional at the time the Fourth Amendment was adopted, and are unconstitutional now. Simply stated, they are unreasonable. And reasonableness—not a categorical warrant requirement—is the “touchstone of Fourth Amendment analysis.”