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Evidence Commons

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Fourth Amendment

University of Michigan Law School

Due Process Clause

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Full-Text Articles in Evidence

Is The Exclusionary Rule An 'Illogical' Or 'Unnatural' Interpretation Of The Fourth Amendment?, Yale Kamisar Jan 1978

Is The Exclusionary Rule An 'Illogical' Or 'Unnatural' Interpretation Of The Fourth Amendment?, Yale Kamisar

Articles

More than 50 years have passed since the Supreme Court decided the Weeks case, barring the use in federal prosecutions of evidence obtained in violation of the Fourth Amendment, and the Silverthorne case, invoking what has come to be known as the "fruit of the poisonous tree" doctrine. The justices who decided those cases would, I think, be quite surprised to learn that some day the value of the exclusionary rule would be measured by-and the very life of the rule might depend on-an empirical evaluation of its efficacy in deterring police misconduct. These justices were engaged in a less …


Betts V. Brady Twenty Years Later: The Right To Counself And Due Process Values, Yale Kamisar Dec 1962

Betts V. Brady Twenty Years Later: The Right To Counself And Due Process Values, Yale Kamisar

Michigan Law Review

I am quite distressed by talk that the landmark case of Mapp v. Ohio "suggests by analogy" that the Court may now overrule Betts v. Brady. For whether one talks about the fourth or the sixth amendment, there is much to be said for Justice Harlan's dissenting views in Mapp. "[W]hatever configurations ... have been developed in the particularizing federal precedents" should not be "deemed a part of 'ordered liberty,' and as such ... enforceable against the States .... [W]e would not be true to the Fourteenth Amendment were we merely to stretch the general principle [ of …