Ruling in Carpenter v. United States, on June 22, 2018, the majority opinion declared that “The Government’s acquisition of Carpenter’s cell-site records was a Fourth Amendment search.”
The question presented was:
“[W]hether the Government conducts a search under the Fourth Amendment when it accesses historical cell phone records that provide a comprehensive chronicle of the user’s past movements.”
Oral Arguments
You can hear the oral arguments for this case here:
Or listen to them directly on the Supreme Court’s website here.