--- title: "Kyles v. Whitley" citation: "Kyles v. Whitley, 514 U.S. 419 (1995)" authority_id: "AUTH-SCOTUS-KYLES-514-US-419" authority_type: "case" jurisdiction: "federal_nationwide" precedential_status: "binding" official_url: "https://www.govinfo.gov/content/pkg/USREPORTS-514/pdf/USREPORTS-514-419.pdf" url: "https://jason93.com/legal/federal-process/authorities/AUTH-SCOTUS-KYLES-514-US-419/" legal_review: "2026-08-25" links_checked: "2026-10-15" links_available: 1 links_checked_count: 1 license: "CC BY 4.0" --- # Kyles v. Whitley ## Holding used Suppressed favorable evidence is assessed cumulatively under *Bagley*, materiality is not a sufficiency test, and a prosecutor must learn of favorable evidence known to others acting on the government's behalf in the case, including police. ## Material limitation The opinion does not define every boundary of a prosecution team for every separate government, agency, civil investigation, intelligence body, or sovereign. ## Official source and pinpoints 514 U.S. 419, 434–39 (1995): ## Used in - [Arraignment and Pretrial Disclosure](https://jason93.com/legal/federal-process/modules/20-pretrial/arraignment-and-pretrial-disclosure.md)