Fourth Amendment Commons^™

Carpenter V. United States And The Fourth Amendment: The Best Way Forward, Stephen E. Henderson

William & Mary Bill of Rights Journal

We finally have a federal ‘test case.’ In Carpenter v. United States, the Supreme Court is poised to set the direction of the Fourth Amendment in the digital age. The case squarely presents how the twentieth-century third party doctrine will fare in contemporary times, and the stakes could not be higher. This Article reviews the Carpenter case and how it fits within the greater discussion of the Fourth Amendment third party doctrine and location surveillance, and I express a hope that the Court will be both a bit ambitious and a good measure cautious.

As for ambition, the Court …

Horizontal Cybersurveillance Through Sentiment Analysis, Margaret Hu

William & Mary Bill of Rights Journal

This Essay describes emerging big data technologies that facilitate horizontal cybersurveillance. Horizontal cybersurveillance makes possible what has been termed as “sentiment analysis.” Sentiment analysis can be described as opinion mining and social movement forecasting. Through sentiment analysis, mass cybersurveillance technologies can be deployed to detect potential terrorism and state conflict, predict protest and civil unrest, and gauge the mood of populations and subpopulations. Horizontal cybersurveillance through sentiment analysis has the likely result of chilling expressive and associational freedoms, while at the same time risking mass data seizures and searches. These programs, therefore, must be assessed as adversely impacting a combination …

The Constitutional Infirmity Of Warrantless Nsa Surveillance: The Abuse Of Presidential Power And The Injury To The Fourth Amendment, Robert Bloom, William J. Dunn

William & Mary Bill of Rights Journal

In the past year, there have been many revelations about the tactics used by the Bush administration to prosecute its war on terrorism. These stories involve the exploitation of technologies that allow the government, with the cooperation of phone companies and financial institutions, to access phone and financial records. This Article focuses on the revelation and widespread criticism of the Bush administration's operation of a warrantless electronic surveillance program to monitor international phone calls and e-mails that originate or terminate with a United States party. The powerful and secret National Security Agency heads the program and leverages its significant intelligence …

The Loss Of Privacy Is Just A Heartbeat Away: An Exploration Of Government Heartbeat Detection Technology And Its Impact On Fourth Amendment Protections, George M. Dery Iii

William & Mary Bill of Rights Journal

The Department of Energy has developed the "Enclosed Space Detection System" (ESDS), a search tool that enables officials to identify persons hidden inside vehicles at certain sensitive sites, such as nuclear facilities. ESDS operates by measuring the movements in vehicles generated by the beating of an occupant's heart. This Article considers the Fourth Amendment privacy implications caused by the advent of a technology so advanced that it can probe all the way to one's heart. Specifically, this Article critically examines the Supreme Court's Fourth Amendment precedent concerning the definition of a "search" and the application of the "special needs" doctrine …