Page:Brief for the United States, Wong Sun v. United States, 371 U.S. 471 (1963).djvu/58

 It is equally clear that "the corroborative evidence need not be sufficient, independent of the statements, to establish the corpus delicti" (Opper v. United States, 348 U.S. 84, 93) or, as elaborated in Smith v. United States, 348 U.S. 147, 156 (emphasis added):

While it is concededly difficult to match the facts of the various cases in which this type of question arises, the independent testimony here is at least as corroborative as that held sufficient in other cases