Fourth Amendment Commons^™

Cybersurveillance Intrusions And An Evolving Katz Privacy Test, Margaret Hu

Scholarly Articles

To contextualize why a new approach to the Fourth Amendment is essential, this Article describes two emerging cybersurveillance tools. The first Cybersurveillance tool, Geofeedia, has been deployed by state and local law enforcement. Geofeedia uses a process known as "geofencing" to draw a virtual barrier around a particular geographic region, and then identifies and tracks public social media posts within that region for predictive policing purposes. The second tool, Future Attribute Screening Technology (FAST), is under development by the United States Department of Homeland Security (DHS). FAST is another predictive policing tool that analyzes physiological and behavioral signals with the …

Anonymity, Faceprints, And The Constitution, Kimberly L. Wehle

All Faculty Scholarship

Part I defines anonymity and explains that respect for the capacity to remain physically and psychologically unknown to the government traces back to the Founding. With the advent and expansion of new technologies such as facial recognition technology (“FRT”), the ability to remain anonymous has eroded, leading to a litany of possible harms.

Part II reviews the existing Fourth and First Amendment doctrine that is available to stave off ubiquitous government surveillance and identifies anonymity as a constitutional value that warrants more explicit doctrinal protection. Although the Fourth Amendment has been construed to excise surveillance of public and third-party information …