Franks v. Delaware

Franks v. Delaware
Argued February 27, 1978
Decided June 26, 1978
Full case nameJerome Franks v. Delaware
Citations438 U.S. 154 (more)
98 S. Ct. 2674; 57 L. Ed. 2d 667
Case history
PriorFranks v. State, 373 A.2d 578 (Del. 1977)
SubsequentFranks v. State, 398 A.2d 783 (Del. 1979)
Holding
Where a warrant affidavit contains a statement, necessary to the finding of probable cause, that is demonstrated to be both false and included by an affiant knowingly and intentionally, or with reckless disregard for the truth, the warrant is not valid.
Court membership
Chief Justice
Warren E. Burger
Associate Justices
William J. Brennan Jr. · Potter Stewart
Byron White · Thurgood Marshall
Harry Blackmun · Lewis F. Powell Jr.
William Rehnquist · John P. Stevens
Case opinions
MajorityBlackmun, joined by Brennan, Stewart, White, Marshall, Powell, Stevens
DissentRehnquist, joined by Burger
Laws applied
4th Amendment of the US Constitution

Franks v. Delaware, 438 U.S. 154 (1978), is a United States Supreme Court case dealing with defendants' rights to challenge evidence collected on the basis of a warrant granted on the basis of a false statement. The court held that where a warrant affidavit contains a statement, necessary to the finding of probable cause, that is demonstrated to be both false and included by an affiant knowingly and intentionally, or with reckless disregard for the truth, the warrant is not valid.