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Illinois v. Gates - Significance, The Exclusionary Rule, Invalid Warrant, Hints Of New Stance On Exclusionary Rule, Decision, "with Apologies"

court petitioner lawyer respondent


State of Illinois


Lance Gates

Petitioner's Claim

That evidence obtained via a search warrant that was later declared invalid could still convict.

Chief Lawyer for Petitioner

Paul J. Biebel, Jr., Assistant Attorney General of Illinois

Chief Lawyer for Respondent

James W. Reilley

Justices for the Court

Harry A. Blackmun, Warren E. Burger, Sandra Day O'Connor, Lewis F. Powell, Jr., William H. Rehnquist (writing for the Court), John Paul Stevens, Byron R. White

Justices Dissenting

William J. Brennan, Jr., Thurgood Marshall


Washington, D.C.

Date of Decision

8 June 1983


Reversed the Illinois Supreme Court's decision that prevented evidence seized from being presented at a criminal trial.

Related Cases

  • Aguilar v. Texas, 378 U.S. 108 (1964).
  • Spinelli v. United States, 393 U.S. 410 (1969).
  • Kolendar v. Lawson, 461 U.S. 352 (1983).
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about 7 years ago

if a search warrant and affidavit are rueld insufficient to search a house, under Illinois v. Gates will the totality-of-the-circumstances cover the warrantless search of the vehicle, under a controlled delivery by a government informant.