The Writ of Habeas Corpus demands that requires a prisoner must go before the court to determine if there is lawful authority to detain the prisoner. A habeas petition proceeds as a civil action against the State agent (usually a warden) who holds the defendant in custody.Federal habeas corpus is a procedure under which a federal court may review the legality of an individual's incarceration. Habeas corpus is a legal action in which a prisoner challenges the authority of the jail or prison to continue holding him. Habeas corpus is a procedural device to bring child custody matters before a court. The Habeas Corpus petition claims the arrest, sentence, or trial violated constitutional law, making imprisonment unlawful. Habeas corpus is a legal rule that requires a prisoner be presented in court and that the arrester prove that there is proper cause for detaining the prisoner. The Latin phrase habeas corpus translates to "you have the body. For example, did the court cancel your hearing or hearings because the court was closed? 119 This means that if the Supreme Court decides a rule, test, or standard in a case that is decided after your direct review was complete, you generally.