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Evidence Commons

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Fourth Amendment

University of Michigan Law School

Katz v. United States

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Full-Text Articles in Evidence

Spies In The Skies: Dirtboxes And Airplane Electronic Surveillance, Brian L. Owsley Apr 2015

Spies In The Skies: Dirtboxes And Airplane Electronic Surveillance, Brian L. Owsley

Michigan Law Review First Impressions

Electronic surveillance in the digital age is essentially a cat-and-mouse game between governmental agencies that are developing new techniques and technologies for surveillance, juxtaposed against privacy rights advocates who voice concerns about such technologies. In November 2014, there was a discovery of a new twist on a relatively old theme. Recently, the Wall Street Journal reported that the U.S. Marshals Service was running a surveillance program employing devices—dirtboxes—that gather all cell phone numbers in the surrounding area. Other federal agencies, including the Drug Enforcement Agency, Immigration and Custom Enforcement, and the Department of Homeland Security, are also documented to have …


Recent Developments In The Law Of Search And Seizure, Jerold H. Israel Jan 1968

Recent Developments In The Law Of Search And Seizure, Jerold H. Israel

Book Chapters

This article is designed to provide a survey of recent decisions dealing with several important issues in the area of search and seizure. It is intended primarily as a basic collection of sources. I have, therefore, sought to keep my own commentary at a minimum and the citations to relevant cases at a maximum. Wherever space permits, I have let the courts speak for themselves. In most instances, however, it has been necessary to provide fairly general descriptions of the cases.


Search By Consent, Jerold H. Israel Jan 1968

Search By Consent, Jerold H. Israel

Book Chapters

My topics this morning are eavesdropping, search by consent and entrance gained by fraud and deceit. You should be forewarned that these are areas in which the law has been "on the move" for the past few years. Changes have occurred and still more will take place in the future. I will attempt to anticipate some of those developments, but, obviously, the only safe course is keeping up-to-date through continuing education. In covering my assigned topics, I hope to paint with a rather broad brush. It has always been my feeling that the pohce officer cannot be expected to learn …