Open Access. Powered by Scholars. Published by Universities.®

Law Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 2 of 2

Full-Text Articles in Law

Do We Need A New Fourth Amendment?, Orin S. Kerr Apr 2009

Do We Need A New Fourth Amendment?, Orin S. Kerr

Michigan Law Review

Slobogin's book offers a new conceptualization of the Fourth Amendment rooted in what he calls the proportionality principle: An investigative technique should be permitted under the Constitution only if the strength of the government's justification for the technique is roughly proportionate to the level of intrusion it causes . Slobogin roots this principle in Terry v. Ohio and its pragmatic balancing of law-enforcement and privacy interests. To determine how much justification the Fourth Amendment requires, Slobogin argues, courts should assess the intrusiveness of the investigatory technique and then set a proportionate threshold of proof that the government must show. The …


The Case For The Third-Party Doctrine, Orin S. Kerr Jan 2009

The Case For The Third-Party Doctrine, Orin S. Kerr

Michigan Law Review

This Article offers a defense of the Fourth Amendment's third party doctrine, the controversial rule that information loses Fourth Amendment protection when it is knowingly revealed to a third party. Fourth Amendment scholars have repeatedly attacked the rule on the ground that it is unpersuasive on its face and gives the government too much power This Article responds that critics have overlooked the benefits of the rule and have overstated its weaknesses. The third-party doctrine serves two critical functions. First, the doctrine ensures the technological neutrality of the Fourth Amendment. It corrects for the substitution effect of third parties that …