Illinois v. Lidster

Illinois v. Lidster
Supreme Court of the United States
Argued November 5, 2003 Decided January 13, 2004
Full case name	People of the State of Illinois v. Robert Lidster
Citations	540 U.S. 419 (more) 124 S. Ct. 885; 157 L. Ed. 2d 843
Case history
Prior	Evidence supporting conviction suppressed by the Illinois Supreme Court, 779 N.E.2d 855 (Ill. 2002)
Holding
The Fourth Amendment does not forbid the use of a checkpoint to investigate a traffic incident.
Court membership
Chief Justice William Rehnquist Associate Justices John P. Stevens · Sandra Day O'Connor Antonin Scalia · Anthony Kennedy David Souter · Clarence Thomas Ruth Bader Ginsburg · Stephen Breyer
Case opinions
Majority	Breyer, joined by Rehnquist, O'Connor, Scalia, Kennedy, Thomas
Concur/dissent	Stevens, joined by Souter, Ginsburg
Laws applied
U.S. Const. amend. IV

Illinois v. Lidster, 540 U.S. 419 (2004), was a case in which the Supreme Court of the United States ruled that the Fourth Amendment permits the police to use a roadblock to investigate a traffic incident.