362
Opinion of the Court
search were aware of respondent's parole status, 548 Pa., at 428-432, 698 A. 2d, at 37-38. The court reasoned that, in the absence of the rule, illegal searches would be undeterred when officers know that the subjects of their searches are parolees and that illegally obtained evidence can be introduced at parole hearings. Ibid.
We granted certiorari to determine whether the Fourth Amendment exclusionary rule applies to parole revocation proceedings. 522 U. S. 992 (1997).3
II
We have emphasized repeatedly that the government's use of evidence obtained in violation of the Fourth Amendment does not itself violate the Constitution. See, e. g., United States v. Leon, 468 U. S. 897, 906 (1984); Stone v. Powell, 428 U. S. 465, 482, 486 (1976). Rather, a Fourth Amendment violation is " 'fully accomplished' " by the illegal search or seizure, and no exclusion of evidence from a judicial or administrative proceeding can " 'cure the invasion of the defendant's rights which he has already suffered.' " United States v. Leon, supra, at 906 (quoting Stone v. Powell, supra, at 540
3 We also invited the parties to brief the question whether a search of a parolee's residence must be based on reasonable suspicion where the parolee has consented to searches as a condition of parole. Respondent argues that we lack jurisdiction to decide this question in this case because the Pennsylvania Supreme Court held, as a matter of Pennsylvania law, that respondent's consent to warrantless searches as a condition of his state parole did not constitute consent to searches that are unreasonable under the Fourth Amendment. Petitioner and its amici contend that the Pennsylvania Supreme Court's opinion was at least ambiguous as to whether it relied on state or federal law to determine the extent of respondent's consent, and that we therefore have jurisdiction under Michigan v. Long, 463 U. S. 1032 (1983). We need not parse the Pennsylvania Supreme Court's decision in an attempt to discern its intent, however, because it is clear that we have jurisdiction to determine whether the exclusionary rule applies to state parole revocation proceedings, and our decision on that issue is sufficient to decide the case. We therefore express no opinion regarding the constitutionality of the search.
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