Home > West's Encyclopedia of American Law > Habeas Corpus

[Latin, You have the body.] A writ (court order) that commands an individual or a government official who has restrained another to produce the prisoner at a designated time and place so that the court can determine the legality of custody and decide whether to order the prisoner's release.

A writ of habeas corpus directs a person, usually a prison warden, to produce the prisoner and justify the prisoner's detention. If the prisoner argues successfully that the incarceration is in violation of a constitutional right, the court may order the prisoner's release. Habeas corpus relief also may be used to obtain custody of a child or to gain the release of a detained person who is insane, is a drug addict, or has an infectious disease. Usually, however, it is a response to imprisonment by the criminal justice system.

A writ of habeas corpus is authorized by statute in federal courts and in all state courts. An...