28 U.S.C. § 2248

Return or answer; conclusiveness

The allegations of a return to the writ of habeas corpus or of an answer to an order to show cause in a habeas corpus proceeding, if not traversed, shall be accepted as true except to the extent that the judge finds from the evidence that they are not true.

( June 25, 1948, ch. 646 , 62 Stat. 966 .)