McKinney v. Arizona

140 S. Ct. 702 · Decided February 25, 2020 · Supreme Court of the United States

At a glance

McKinney v. Arizona was decided on February 25, 2020 by a vote of 5–4. The Court affirmed the lower court's decision. Justice Brett M. Kavanaugh wrote the opinion of the Court. SCDB classifies its main issue as “Cruel and unusual punishment, death penalty” in the Criminal Procedure area.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Supreme Court of the United States — slip opinions, October Term 2019
• Supreme Court of the United States — docket 18-1109

Case details

How the Justices voted

Full case caption

McKinney v. Arizona

SCDB identifiers: case 2019-031, docket 2019-031-01.

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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