Sanders v. United States

We consider here the standards which should guide a federal court in deciding whether to grant a hearing on a motion of á federal prisoner under 28 U. S. C. § 2255.1 *3Under that statute, a federal .prisoner who claims that his sentence was imposed in violation of the Constitution or laws of the United States may seek relief from the sentence by filing a motion in the sentencing court stating the facts supporting his claim. “[A] prompt hearing” on the motion is required “[u]nless the motion and the files *4and records of the case conclusively show that the prisoner is entitled to no relief . . .…