Kirk v. Lynd was a United States Supreme Court case that addressed the issue of whether a state court could issue a writ of habeas corpus to a prisoner who was being held in a federal prison. The case arose when a prisoner, John Kirk, was held in a federal prison in the state of Ohio. Kirk sought a writ of habeas corpus from the state court, claiming that he was being held in violation of his constitutional rights. The state court granted the writ, and the federal government appealed the decision to the Supreme Court. The Supreme Court held that the state court did not have the authority to issue a writ of habeas corpus to a prisoner held in a federal prison. The Court reasoned that the writ of habeas corpus was a federal remedy, and that the state court did not have the power to interfere with the federal government's authority to imprison individuals. The Court also noted that the writ of habeas corpus was a remedy that could only be used to challenge the legality of a prisoner's detention, and not to challenge the conditions of the prisoner's confinement. The Court's decision in Kirk v. Lynd established that state courts do not have the authority to issue writs of habeas corpus to prisoners held in federal prisons. The decision also clarified the scope of the writ of habeas corpus, and established that it could only be used to challenge the legality of a prisoner's detention, and not to challenge the conditions of the prisoner's confinement.

Justice Field delivered the dissenting opinion in Kirk v. Lynd, arguing that a state court's decision should not be overturned unless it is clearly wrong. He argued that the Supreme Court had no jurisdiction to review decisions of state courts on questions of fact and law, as this would undermine their authority and create confusion among litigants. Furthermore, he stated that even if there was an error made by the lower court in its interpretation or application of federal law, it could still be corrected without overturning its judgment entirely. Justice Field concluded his dissent by noting that while errors may have been committed by the lower court in this case, they were not so egregious as to warrant reversal from a higher tribunal such as the Supreme Court.