Summary

Portrait of Samuel Freeman Miller Samuel Freeman Miller Wales v. Whitney — Opinion of the Court

But neither the supreme court of the district nor this court has any appellate jurisdiction over the naval court-martial, nor over offenses which such a court has power to try. Neither of these courts is authorized to interfere with it in the performance of its duty, by way of a writ of prohibition or any order of that nature. The civil courts can relieve a person from imprisonment under order of such court only by writ of habeas corpus, and then only when it is made apparent that it proceeds without jurisdiction. If there is no restraint there is no right in the civil court to interfere.
Source: Wikisource

Portrait of Samuel Freeman Miller Samuel Freeman Miller Wales v. Whitney — Opinion of the Court

On the other hand, there is an obvious motive on the part of the petitioner for construing this order as making him a prisoner in the custody of the secretary. That motive is to have himself brought before a civil court, which, on inquiry into the cause of his imprisonment, may decide that the offense with which the secretary charges him is not of a millitary character, is not one of which a naval court-martial can entertain jurisdiction, and, releasing him from the restraint of the order of arrest, it would incidentally release him from the power of that court.
Source: Wikisource

Portrait of Samuel Freeman Miller Samuel Freeman Miller Wales v. Whitney — Opinion of the Court

And though it is said that a file of marines or some proper officer could have been sent to arrest, and bring him back, this could only be done by another order of the secretary, and would be another arrest, and a real imprisonment under another and distinct order. Here would be a real restraint of liberty, quite different from the first. The fear of this latter proceeding, which may or may not keep Dr. Wales within the limits of the city, is a moral restraint which concerns his own convenience, and in regard to which he exercises his own will.
Source: Wikisource

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