...before-mentioned courts of the United States," (Supreme Court, Circuit Court and District Court,) " shall have power to issue writs of scire facias, habeas...corpus, and all other writs not specially provided for hy statute, which may be necessary for the exercise of their respective jurisdictions, and agreeable...

...that created the federal court system empowered federal judges to issues writs of habeas corpus "and other writs not specially provided for by statute,...exercise of their respective jurisdictions. . . . [a]nd. . . to grant writs of habeas corpus for the purpose of an inquiry into the cause of commitment."[10]...