--- title: "Will v. United States" citation: "389 U.S. 90 (1967)" authority_id: "AUTH-SCOTUS-WILL-389-US-90" authority_type: "case" jurisdiction: "federal_nationwide" precedential_status: "binding" official_url: "https://www.govinfo.gov/content/pkg/USREPORTS-389/pdf/USREPORTS-389-90.pdf" url: "https://jason93.com/legal/federal-process/authorities/AUTH-SCOTUS-WILL-389-US-90/" legal_review: "2026-08-25" links_checked: "2026-10-15" links_available: 1 links_checked_count: 1 license: "CC BY 4.0" --- # Will v. United States ## Holding or rule used Mandamus is not a substitute for appeal, with particular caution against interlocutory intervention in criminal cases. ## Material limitation Use only for the bounded proposition in the linked modules. The exact judgment, jurisdiction, circuit, custody, other remedies, current agency instructions, requested relief, grant terms, and independent law remain separate where identified. ## Official source and pinpoints 389 U.S. 90 (1967), 389 U.S. 96–98: ## Used in - [Extraordinary Writs — Coram Nobis, Audita Querela, and Mandamus](https://jason93.com/legal/federal-process/modules/60-post-conviction/extraordinary-writs-coram-nobis-audita-querela-and-mandamus.md)