West's Encyclopedia of American Law | Double Jeopardy

A second prosecution for the same offense after acquittal or conviction or multiple punishments for same offense. The evil sought to be avoided by prohibiting double jeopardy is double trial and double conviction, not necessarily double punishment.

The FIFTH AMENDMENT to the U.S. Constitution provides, "No person shall … be subject for the same offence [sic] to be twice put in jeopardy of life or limb." This provision, known as the Double Jeopardy Clause, prohibits state and federal governments from prosecuting individuals for the same crime on more than one occasion, or imposing more than one punishment for a single offense. Each of the 50 states offers similar protection through its own constitution, statutes, and COMMON LAW.

Five policy considerations underpin the...