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Fourth Amendment

University of Michigan Law School

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Full-Text Articles in Evidence

Gates, 'Probable Cause', 'Good Faith', And Beyond, Yale Kamisar Jan 1984

Gates, 'Probable Cause', 'Good Faith', And Beyond, Yale Kamisar

Articles

Illinois v. Gates1 was the most eagerly awaited constitutional-criminal procedure case of the 1982 Term. I think it fair to say, however, that it was awaited a good deal more eagerly by law enforcement officials and the Americans for Effective Law Enforcement than by defense lawyers and the American Civil Liberties Union. As it turned out, of course, the Gates Court, to the disappointment of many, did not reach the question whether the exclusionary rule in search and seizure cases should be modified so as not to require the exclusion of evidence obtained in violation of the fourth amendment when …


Does (Did) (Should) The Exclusionary Rule Rest On A 'Principled Basis' Rather Than An 'Empirical Proposition'?, Yale Kamisar Jan 1983

Does (Did) (Should) The Exclusionary Rule Rest On A 'Principled Basis' Rather Than An 'Empirical Proposition'?, Yale Kamisar

Articles

[U]ntil the [exclusionary rule] rests on a principled basis rather than an empirical proposition, [the rule] will remain in a state of unstable equilibrium. Mapp v. Ohio, which overruled the then twelve-year-old Wolf case and imposed the fourth amendment exclusionary rule (the Weeks doctrine) on the states as a matter of fourteenth amendment due process, seemed to mark the end of an era. Concurring in Mapp, Justice Douglas recalled that Wolf had evoked "a storm of constitutional controversy which only today finds its end."' But in the two decades since Justice Douglas made this observation, the storm of controversy has …