Prosecutors and agents should want everyone's story/account about a criminal episode before bringing charges. Nonetheless, some witnesses, subjects or targets decline interviews – not necessarily because of the underlying issue, but fearful of being prosecuted for alleged lies during the interview. Might it not be better to just make the meeting off-the-record in the sense that prosecutors won't charge a witness with lying during the interview? And wouldn't that be a way for Special Counsel Mueller to obtain the most important interview that he could possibly want?
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