A recent Congressional Research Report Governmental Tracking of Cell Phones and Vehicles: The Confluence of Privacy, Technology and the Law has just been released.
This report will briefly survey Fourth Amendment law as it pertains to the government’s tracking programs. It will then summarize federal electronic surveillance statutes and the case law surrounding cell phone location tracking. Next, the report will describe the GPS-vehicle tracking cases and review the pending Supreme Court GPS tracking case, United States v. Jones. Finally, the report will summarize the geolocation and electronic surveillance legislation introduced in the 112th Congress.