Mike Scarcella writes:
Prosecutors do not need a warrant to compel a cellular phone service provider to turn over data about call location, a federal judge in Washington said in a ruling unsealed Wednesday.
The ruling (PDF) examines the government’s attempt to get data from the undisclosed service provider amid a U.S. Attorney’s Office investigation of an armed robbery of an armored truck.
Read more on The Blog of LegalTimes. The memorandum and order contains an interesting discussion of how historical cell location data is not the equivalent of continuous GPS surveillance, and hence, Maynard does not really apply.