A writ of habeas corpus requires that a person who is in custody be brought before a judge or court and that they be able to challenge that custody. This Guidebook is intended to be an informative and practical resource for understanding the basic procedures of the Court.Habeas corpus is what citizens have. It means you can't be arrested and jailed unless a judge authorizes it. Federal habeas corpus is a procedure under which a federal court may review the legality of an individual's incarceration. The Habeas Corpus petition claims the arrest, sentence, or trial violated constitutional law, making imprisonment unlawful. A Writ of Habeas Corpus is a civil proceeding that is available in both State and Federal Court to challenge the legality of imprisonment. The "Great Writ" of habeas corpus is a fundamental right in the Constitution that protects against unlawful and indefinite imprisonment. Latin for "that you have the body. Petitioner is an inmate at the Federal Correctional Institution in Sandstone,. Minnesota.