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Mapp v. Ohio · ¶38

Moreover, our holding that the exclusionary rule is an essential part of both the Fourth and Fourteenth Amendments is not only the logical dictate of prior cases, but it also makes very good sense. There is no war between the Constitution and common sense. Presently, a federal prosecutor may make no use of evidence illegally seized, but a State’s attorney across the street may, although he supposedly is operating under the enforceable prohibitions of the same Amendment. Thus the State, by admitting evidence unlawfully seized, serves to encourage disobedience to the Federal Constitution which it is bound to uphold. Moreover, as was said in Elkins, “[t'Jhe very essence of a healthy federalism depends upon the avoidance of needless conflict between state and federal courts.” 364 U. S., at 221. Such a conflict, hereafter needless, arose this very Term, in Wilson v. Schnettler, 365 U. S. 381…
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U. S. Reports, bound volume
U. S. Reports, volume 367, at 643 (Library of Congress) · transcription: Caselaw Access Project
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