Tag Archive | Congressional Resaerch Service

New CRS Report on Governmental Tracking of Cell Phones and Vehicles

Governmental Tracking of Cell Phones and Vehicles: The Confluence of Privacy, Technology, and Law

by Richard M. Thompson, Law Clerk,Congressional Research Service Report #R42109, December 1, 2011

Summary

Technology has advanced considerably since the framers established the constitutional parameters for searches and seizures in the Fourth Amendment. What were ink quills and parchment are now cell phones and the Internet. It is undeniable that these advances in technology threaten to diminish privacy. Law enforcement’s use of cell phones and GPS devices to track an individual’s movements brings into sharp relief the challenge of reconciling technology, privacy, and law. Beyond the Constitution, a miscellany of statutes and cases may apply to these tracking activities. One such statute is the Electronic Communications Privacy Act of 1986 (ECPA), P.L. 99-508, 100 Stat. 1848 (1986), which protects individual privacy and governs the methods by which law enforcement may retrieve electronic communications information for investigative purposes, including pen registers, trap and trace devices, wiretaps, and tracking devices. The primary debate surrounding cell phone and GPS tracking is not whether they are permitted by statute but rather what legal standard should apply: probable cause, reasonable suspicion, or something less.

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