Legal Opinion

Franks v. Delaware

Supreme Court of the United States

Decided June 26, 1978No. 77-5176PublishedCited by 7,233 opinions

1Opinion of the CourtJustice Blackmun

This case presents an important and longstanding issue of Fourth Amendment law. Does a defendant in a criminal proceeding ever have the right, under the Fourth and Fourteenth Amendments, subsequent to the ex parte issuance of a search warrant, to challenge the truthfulness of factual statements made in an affidavit supporting the warrant?

In the present case the Supreme Court of Delaware held, as a matter of first impression for it, that a defendant under no circumstances may so challenge the veracity of a sworn statement used by police to procure a search warrant. We reverse, and we hold…

2Cases cited97 opinions

  1. Miranda v. ArizonaSupreme Court of the United States · 1966
  2. Boykin v. AlabamaSupreme Court of the United States · 1969
  3. Mapp v. OhioSupreme Court of the United States · 1961
  4. Aguilar v. TexasSupreme Court of the United States · 1964
  5. Jones v. United StatesSupreme Court of the United States · 1960

92 more not listed; retrieve them via the Exa API.

3Cited by7,233 opinions

  1. United States v. LeonSupreme Court of the United States · 1984
  2. County Court of Ulster Cty. v. AllenSupreme Court of the United States · 1979
  3. Mills v. MarylandSupreme Court of the United States · 1988
  4. Herring v. United StatesSupreme Court of the United States · 2009
  5. Jerry L. Branch, Valenna Branch, Colby Branch v. Dale L. Tunnell, Individually and as Special Agent of Bureau of Land Management, State of MontanaCourt of Appeals for the Ninth Circuit · 1994

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