The Habeas Corpus Act of 1867 (sess. ii, chap. 28, 14 Stat. 385) is an act of Congress that significantly expanded the jurisdiction of federal courts to issue writs of habeas corpus.
The "Great Writ" of habeas corpus is a fundamental right in the Constitution that protects against unlawful and indefinite imprisonment. Translated from Latin it means "show me the body." Habeas corpus has historically been an important instrument to safeguard individual freedom against arbitrary executive power.
When you file a petition for a writ of habeas corpus, you are asking a judge for a hearing to determine whether your imprisonment is lawful. This hearing is not another trial. Instead of deciding whether you were guilty or not, the judge will evaluate the fairness of the procedure used to convict and sentence you.
The Act allowed the president to suspend the writ of habeas corpus so long as the Civil War was ongoing.
It was passed by what became known as the Habeas Corpus Parliament to define and strengthen the ancient prerogative writ of habeas corpus, which required a court to examine the lawfulness of a prisoner's detention and thus prevent unlawful or arbitrary imprisonment.
During Reconstruction, Congress sought to protect Union sympathizers and freedmen whose rights were threatened in the South. The Habeas Corpus Act of 1867 expanded the authority of federal courts to issue writs of habeas corpus for state prisoners.
The writ of habeas corpus had its origins in British common law, predating Magna Carta. In its modern form, however, it was never enacted into law until the Habeas Corpus Act of 1679.
The right of habeas corpus essentially protects a prisoner's right to indicate whether or not their constitutionally guaranteed rights to fair treatment during a trial have been infringed upon. This concept originated in the 1200s as part of the Magna Carta, which stated, “No man shall be arrested or imprisoned…
A number of people arrested and detained throughout the country sought writs of habeas corpus before the courts. He wanted them released through writs of habeas corpus, a right hitherto granted only to human prisoners.
The U.S. Constitution specifically includes the habeas procedure in the Suspension Clause (Clause 2), located in Article One, Section 9. This states that "The privilege of the writ of habeas corpus shall not be suspended, unless when in cases of rebellion or invasion the public safety may require it".