The petitioner was arrested in this district upon a warrant issued by a United States commissioner here. The warrant was based upon an affidavit, which was itself based solely upon the fourth count in an indictment found by the grand jury in the district court of the United States for the district of Massachusetts. The petitioner being in custody of the United States marshal to await the order of the district judge, under Rev. St. § 1014, for his removal to the district of Massachusetts, writs of habeas corpus and certiorari were issued, to which returns have been made. It is not disputed by the district attorney that it is not only the right, but the duty, of the district court, before ordering removal, to look into the indictment, so far as to be satisfied that an offense against the United States is charged, and that it is such an offense as may lawfully be tried in the forum to which it-is claimed the accused should be removed; and the same right and duty aris'es upon habeas corpus, whether the petitioner, is held under the warrant of removal issued by the district judge whose decision' is thus reviewed, or under the warrant of the commissioner to await the action of the district judge. The later decisions of the circuit courts abundantly establish this proposition. In re Buell,
