less than 1 minute read

Illinois v. Perkins

Significance, A Coercive Atmosphere Is Lacking, Deception And Manipulation Practiced, Compulsion Includes Police Deception


State of Illinois


Lloyd Perkins

Petitioner's Claim

That Perkins's jailhouse admission of murder to an undercover agent should be admissible, even though Perkins did not receive Miranda warnings before the questioning.

Chief Lawyer for Petitioner

Marcia L. Friedl

Chief Lawyer for Respondent

Dan W. Evers

Justices for the Court

Harry A. Blackmun, William J. Brennan, Jr., Anthony M. Kennedy (writing for the Court), Sandra Day O'Connor, William H. Rehnquist, John Paul Stevens, Antonin Scalia, Byron R. White

Justices Dissenting

Thurgood Marshall


Washington, D.C.

Date of Decision

4 June 1990


An undercover law enforcement officer posing as a fellow inmate need not give Miranda warnings to an incarcerated suspect before asking questions that may elicit an incriminating response.

Related Cases

  • Massiah v. United States, 377 U.S. 201 (1964).
  • Miranda v. Arizona, 384 U.S. 436 (1966).
  • Mathis v. United States, 391 U.S. 1 (1968).
  • Rhode Island v. Innis, 446 U.S. 291 (1980).
  • Berkemer v. McCarty, 468 U.S. 420 (1984).

Additional topics

Law Library - American Law and Legal InformationNotable Trials and Court Cases - 1989 to 1994