William J. Brennan, Jr., Douglas v. Alabama — Opinion of the Court
“ Indeed, their testimony enhanced the danger that the jury would treat the Solicitor's questioning of Loyd and Loyd's refusal to answer as proving the truth of Loyd's alleged confession. But since their evidence tended to show only that Loyd made the confession, cross-examination of them as to its genuineness could not substitute for cross-examination of Loyd to test the truth of the statement itself. ”
