what is double jeopardy based on the constitution
Double Jeopardy. The Double Jeopardy Clause in the Fifth Amendment to the US Constitution prohibits anyone from being prosecuted twice for substantially the same crime. See, e.g. United States v. Ursery, 518 US 267 (1996) . See also: 1  The Annotated Constitution of the United States entry on double jeopardy.