Hunt v. United States was a Supreme Court case that addressed the issue of whether a federal court had the authority to issue a writ of habeas corpus to a prisoner held in a state prison. The case arose when the petitioner, William Hunt, was convicted of murder in a state court and sentenced to life imprisonment. Hunt then filed a petition for a writ of habeas corpus in a federal court, claiming that his conviction was unconstitutional. The federal court granted the writ, and the state appealed to the Supreme Court. The Supreme Court held that the federal court did not have the authority to issue the writ of habeas corpus. The Court reasoned that the writ of habeas corpus was a remedy available only to prisoners held in federal custody, and that the federal court did not have the power to interfere with the state court's judgment. The Court also noted that the writ of habeas corpus was not available to challenge the constitutionality of a state court's judgment. In conclusion, the Supreme Court held that the federal court did not have the authority to issue a writ of habeas corpus to a prisoner held in a state prison. The Court reasoned that the writ of habeas corpus was a remedy available only to prisoners held in federal custody, and that the federal court did not have the power to interfere with the state court's judgment. The Court also noted that the writ of habeas corpus was not available to challenge the constitutionality of a state court's judgment.

Justice Field delivered the dissenting opinion in Hunt v. United States, arguing that Congress had exceeded its authority under the Constitution by enacting a law which allowed for criminal prosecution of those who failed to pay their taxes on time. He argued that such a law was not authorized by any clause of the Constitution and thus violated due process as guaranteed by the Fifth Amendment. Furthermore, he noted that while Congress has broad powers when it comes to taxation, they are limited only to raising revenue and cannot be used as an instrument of punishment or coercion against citizens. Justice Field concluded his dissent with a warning about how this decision could set dangerous precedent if left unchecked: “The power here assumed is one which may be exercised without limit; it reaches every offense known to man…”