John Marshall Harlan II,
Lopez v. United States (373 U.S. 427…
“ Whether in the absence of a conclusive showing the defense is for the court or the jury, and whether the controlling standard looks only to the conduct of the Government, or also takes into account the predisposition of the defendant, are among the issues that have been mooted. We need not, however, concern ourselves with any of these questions here, for under any approach, petitioner's belated claim of entrapment is insubstantial, and the record fails to show any prejudice that would warrant reversal on this score. ”
