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Costello v. United States

350 U.S. 359 · Decided March 5, 1956 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

Costello v. United States was decided on March 5, 1956 unanimously (7–0). The Court affirmed the lower court's decision. Justice Hugo L. Black wrote the opinion of the Court. SCDB classifies its main issue as “Extra-legal jury influences, prejudicial statements or evidence” in the Criminal Procedure area.

Read the opinion

Case details

Citations
350 U.S. 359 · 76 S. Ct. 406 · 100 L. Ed. 2d 397 · 1956 U.S. LEXIS 1845
Docket number
72
Decided
March 5, 1956
Argued
January 16, 1956
Court era
Warren Court
Decision type
Opinion of the Court (orally argued)
Disposition
Affirmed
Outcome for petitioner
The petitioning party did not receive a favorable disposition
Vote
7–0 (unanimous)
Majority opinion
Hugo L. Black
Opinion assigned by
Earl Warren
How the case arrived
Certiorari
Legal provision
Fifth Amendment (grand jury)
Type of law
Constitutional amendment
Decision direction (SCDB)
Conservative what this means

How the Justices voted

JusticeVoteSeparate writing
Justice Hugo L. BlackMajorityWrote an opinion
Justice Stanley F. ReedMajority
Justice Felix FrankfurterMajority
Justice William O. DouglasMajority
Justice Harold H. BurtonSpecial concurrenceWrote an opinion
Justice Sherman MintonMajority
Chief Justice Earl WarrenMajority

Did not participate: Tom C. Clark, John M. Harlan II.

Full case caption

Costello v. United States

SCDB identifiers: case 1955-033, docket 1955-033-01.

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error