Illinois v. Gates
| Illinois v. Gates | |
|---|---|
| Argued October 10, 1982 Reargued March 1, 1983 Decided June 8, 1983 | |
| Full case name | Illinois v. Gates et ux. |
| Citations | 462 U.S. 213 (more) 103 S. Ct. 2317; 76 L. Ed. 2d 527 |
| Case history | |
| Prior | 85 Ill. 2d 376, 423 N.E.2d 887; cert. granted, 454 U.S. 1140 (1982). |
| Holding | |
| The rigid "two-pronged test" under Aguilar and Spinelli for determining whether an informant's tip establishes probable cause for issuance of a warrant is abandoned, and the "totality of the circumstances" approach that traditionally has informed probable cause determinations is substituted in its place. | |
| Court membership | |
| |
| Case opinions | |
| Majority | Rehnquist, joined by Burger, Blackmun, Powell, O'Connor |
| Concurrence | White (in judgment) |
| Dissent | Brennan, joined by Marshall |
| Dissent | Stevens, joined by Brennan |
| Laws applied | |
| U.S. Const. amend. IV | |
This case overturned a previous ruling or rulings | |
| Aguilar v. Texas (1964) Spinelli v. United States (1969) | |
Illinois v. Gates, 462 U.S. 213 (1983), is a Fourth Amendment case. Gates overruled Aguilar v. Texas and Spinelli v. United States, thereby replacing the Aguilar–Spinelli test for probable cause with the "totality of the circumstances" test.