As we suggested above, the question whether cell site location information is protected by the Fourth Amendment guarantees against warrantless searches has never been determined by this court or the Supreme Court. Two circuits have considered the question, but not in the context of the use of the evidence in a criminal proceeding. Also, one of those opinions issued before the Supreme Court’s decision in United States v. Jones, ___ U.S. ___ , 132 S. Ct. 945 (2012), the most relevant Supreme Court precedent