Privacy Law Commons^™

The Positive Law Model Of The Fourth Amendment, William Baude, James Y. Stern

James Y. Stern

For fifty years, courts have used a “reasonable expectation of privacy” standard to define “searches” under the Fourth Amendment. As others have recognized, that doctrine is subjective, unpredictable, and conceptually confused, but viable alternatives have been slow to emerge. This Article supplies one.

We argue that Fourth Amendment protection should be anchored in background positive law. The touchstone of the search-and-seizure analysis should be whether government officials have done something forbidden to private parties. It is those actions that should be subjected to Fourth Amendment reasonableness review and the presumptive requirement to obtain a warrant. In short, Fourth Amendment protection …

Self Incrimination And Cryptographic Keys, Gregory S. Sergienko

Greg Sergienko

Modern cryptography can make it virtually impossible to decipher documents without the cryptographic key thus making the availability of the contents of those documents depend on the availability of the key. This article examines the Fourth and Fifth Amendments' protection against the compulsory production of the key and the scope of the Fifth Amendment immunity against compelled production. After analyzing these questions using prevailing Fourth and Fifth Amendment jurisprudence, I shall describe the advantages of a privacy-based approach in practical and constitutional terms. [excerpt]

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

Stephen E Henderson

Fourth Amendment Anxiety, Stephen E. Henderson, Kiel Brennan-Marquez

Stephen E Henderson

Tactful Inattention: Erving Goffman, Privacy In The Digital Age, And The Virtue Of Averting One's Eyes, Elizabeth De Armond

Elizabeth De Armond

No abstract provided.

Testimony On Unmanned Aircraft Systems Rules And Regulations, Stephen E. Henderson

Stephen E Henderson

If You Fly A Drone, So Can Police, Stephen E. Henderson

Stephen E Henderson

Ou Professor: Fourth Amendment At Heart Of Dispute Between Fbi, Apple, Stephen E. Henderson

Stephen E Henderson

Lawn Signs: A Fourth Amendment For Constitutional Curmudgeons, Stephen E. Henderson, Andrew G. Ferguson

Stephen E Henderson

A Rose By Any Other Name: Regulating Law Enforcement Bulk Metadata Collection, Stephen E. Henderson

Stephen E Henderson

Fourth Amendment Time Machines (And What They Might Say About Police Body Cameras), Stephen E. Henderson

Stephen E Henderson

Welcome To The Machine: Privacy And Workplace Implications Of Predictive Analytics, Robert Sprague

Robert Sprague

Digital Peepholes | Remote Activation Of Webcams: Technology, Law And Policy, Lori Andrews

Lori B. Andrews

When Enough Is Enough: Location Tracking, Mosaic Theory, And Machine Learning, Steven M. Bellovin, Renée M. Hutchins, Tony Jebara, Sebastian Zimmeck

Renée M. Hutchins

Since 1967, when it decided Katz v. United States, the Supreme Court has tied the right to be free of unwanted government scrutiny to the concept of reasonable xpectations of privacy.[1] An evaluation of reasonable expectations depends, among other factors, upon an assessment of the intrusiveness of government action. When making such assessment historically the Court has considered police conduct with clear temporal, geographic, or substantive limits. However, in an era where new technologies permit the storage and compilation of vast amounts of personal data, things are becoming more complicated. A school of thought known as “mosaic theory” has stepped …

Katz On A Hot Tin Roof: The Reasonable Expectation Of Privacy Is Rudderless In The Digital Age Unless Congress Continually Resets The Privacy Bar, Charles E. Maclean

Charles E. MacLean

The Katz reasonable expectation of privacy doctrine has lasting relevance in the digital age, but that relevance must be carefully and clearly guided in great detail by Congressional and state legislative enactments continually resetting the privacy bar as technology advances. In that way, the Katz “reasonableness” requirements are actually set by the legislative branch, thereby precluding courts from applying inapposite analogies to phone booths, cigarette packs, and business records. Once legislation provides the new contours of digital privacy, those legislative contours become the new “reasonable.”

This article calls upon Congress, and to a lesser extent, state legislatures, to control that …

Nothing To Fear Or Nowhere To Hide: Competing Visions Of The Nsa's 215 Program, Susan Freiwald

Susan Freiwald

Despite Intelligence Community leaders’ assurances, the detailed knowledge of the NSA metadata program (the 215 program) that flowed from the Snowden revelations did not assuage concerns about the program. Three groups, the American Civil Liberties Union, the Electronic Frontier Foundation, and the Electronic Privacy Information Center, brought immediate legal challenges with mixed results in the lower courts. The conflict, in the courts, Congress, and the press, has revealed that the proponents and opponents of Section 215 view the program in diametrically opposed ways. Program proponents see a vital intelligence program operating within legal limits, which has suffered a few compliance …

Our Records Panopticon And The American Bar Association Standards For Criminal Justice, Stephen E. Henderson

Stephen E Henderson

"Secrets are lies. Sharing is caring. Privacy is theft." So concludes the main character in Dave Egger’s novel The Circle, in which a single company that unites Google, Facebook, and Twitter – and on steroids – has the ambition not only to know, but also to share, all of the world's information. It is telling that a current dystopian novel features not the government in the first instance, but instead a private third party that, through no act of overt coercion, knows so much about us. This is indeed the greatest risk to privacy in our day, both the unprecedented …

Flawed Transparency: Shared Data Collection And Disclosure Challenges For Google Glass And Similar Technologies, Jonathan I. Ezor

Jonathan I. Ezor

Current privacy law and best practices assume that the party collecting the data is able to describe and disclose its practices to those from and about whom the data are collected. With emerging technologies such as Google Glass, the information being collected by the wearer may be automatically shared to one or more third parties whose use may be substantially different from that of the wearer. Often, the wearer may not even know what information is being uploaded, and how it may be used. This paper will analyze the current state of U.S. law and compliance regarding personal information collection …

Who Should Be The ‘Decider’ On Keeping Our Secrets?, Stephen E. Henderson

Stephen E Henderson

Fighting Cybercrime After United States V. Jones, David C. Gray, Danielle Keats Citron, Liz Clark Rinehart

David C. Gray

In a landmark non-decision last term, five Justices of the United States Supreme Court would have held that citizens possess a Fourth Amendment right to expect that certain quantities of information about them will remain private, even if they have no such expectations with respect to any of the information or data constituting that whole. This quantitative approach to evaluating and protecting Fourth Amendment rights is certainly novel and raises serious conceptual, doctrinal, and practical challenges. In other works, we have met these challenges by engaging in a careful analysis of this “mosaic theory” and by proposing that courts focus …

Fighting Cybercrime After United States V. Jones, David C. Gray, Danielle Keats Citron, Liz Clark Rinehart

Danielle Keats Citron

In a landmark non-decision last term, five Justices of the United States Supreme Court would have held that citizens possess a Fourth Amendment right to expect that certain quantities of information about them will remain private, even if they have no such expectations with respect to any of the information or data constituting that whole. This quantitative approach to evaluating and protecting Fourth Amendment rights is certainly novel and raises serious conceptual, doctrinal, and practical challenges. In other works, we have met these challenges by engaging in a careful analysis of this “mosaic theory” and by proposing that courts focus …

The Davis Good Faith Rule And Getting Answers To The Questions Jones Left Open, Susan Freiwald

Susan Freiwald

The Supreme Court’s decision in United States v. Jones clearly established that use of GPS tracking surveillance constitutes a search under the Fourth Amendment. But the Court left many other questions unanswered about the nature and scope of the constitutional privacy right in location data. A review of lower court decisions in the wake of Jones reveals that, rather than begin to answer the questions that Jones left open, courts are largely avoiding substantive Fourth Amendment analysis of location data privacy. Instead, they are finding that officers who engaged in GPS tracking and related surveillance operated in good faith, based …

American Bar Association Criminal Justice Standards On Law Enforcement Access To Third Party Records, Stephen E. Henderson

Stephen E Henderson

Expectations Of Privacy In Social Media, Stephen E. Henderson

Stephen E Henderson

This article, which largely tracks my remarks at Mississippi College’s Social Media Symposium, examines expectations of privacy in social media such as weblogs (blogs), Facebook pages, and Twitter tweets. Social media is diverse and ever-diversifying, and while I address some of that complexity, I focus on the core functionality, which provides the groundwork for further conversation as the technology and related social norms develop. As one would expect, just as with our offline communications and other online communications, in some we have an expectation of privacy that is recognized by current law, in some we have an expectation of privacy …

Intrusive Monitoring: Employee Privacy Expectations Are Reasonable In Europe, Destroyed In The United States, Lothar Determann, Robert Sprague

Robert Sprague

This Article examines the contrasting policy and legal frameworks relating to data privacy in the United States and the European Union, with a particular focus on workplace privacy and intrusive surveillance technologies and practices. It examines the U.S. perspective on modern work-related employer monitoring practices, the laws giving rise to possible employee privacy rights, and specific types of employer monitoring that may lead to actionable invasions of employee privacy rights. This article then addresses the issue of employee privacy from the EU perspective, beginning with an overview of the formation of authority to protect individual privacy rights, followed by an …

Invasion Of The Social Networks: Blurring The Line Between Personal Life And The Employment Relationship, Robert Sprague

Robert Sprague

Over one-half billion people worldwide have registered accounts with Facebook, the most popular online social network. This article addresses some of the more significant employment-related legal issues arising from the growing popularity of online social networks. First, the need for employers to investigate the background of prospective employees is examined from the context of employers using online social networks to conduct those investigations. In particular, this article analyzes the degree to which job applicants have privacy rights in the information they post online. This article then examines the interrelationship between online social networks and employees, focusing on limitations faced by …

The Timely Demise Of The Fourth Amendment Third Party Doctrine, Stephen E. Henderson

Stephen E Henderson

In what may be a slightly premature obituary, in this response to a forthcoming paper by Matthew Tokson I argue that the Fourth Amendment third party doctrine "has at least taken ill, and it can be hoped it is an illness from which it will never recover." It is increasingly unpopular as a matter of state constitutional law, has long been assailed in scholarship but now thoughtful alternatives are percolating, and it cannot – or at least should not – withstand the pressures which technology and social norms are placing upon it. Even the Supreme Court seems loath to defend …

The Technology Of Surveillance: Will The Supreme Court's Expectations Ever Resemble Society's?, Stephen E. Henderson

Stephen E Henderson

Beyond The (Current) Fourth Amendment: Protecting Third-Party Information, Third Parties, And The Rest Of Us Too, Stephen E. Henderson

Stephen E Henderson

For at least thirty years the Supreme Court has adhered to its third-party doctrine in interpreting the Fourth Amendment, meaning that so far as a disclosing party is concerned, information in the hands of a third party receives no Fourth Amendment protection. The doctrine was controversial when adopted, has been the target of sustained criticism, and is the predominant reason that the Katz revolution has not been the revolution many hoped it would be. Some forty years after Katz the Court's search jurisprudence largely remains tied to property conceptions. As I have demonstrated elsewhere, however, the doctrine is not the …