Carpenter v United States

Carpenter v United States: Do Police Need a Warrant for Cell Phone Records?

The U.S. Supreme Court has added several important criminal law cases to its upcoming docket. In Carpenter v United States, the issue is whether police need a warrant to obtain historical cell-site records, which indicate which cell towers a cell phone connected with while it was in use. The Court’s decision will be one of the first to address the intersection between data privacy and the Fourth Amendment.