...advice establishes a possible affirmative
defense known as entrapment by estoppel in a criminal proceeding. Even if one believes that the OLC's secret opinions are the kind of authoritative pronouncement that would establish the
defense, the individual's reliance on that legal advice still must be reasonable. The
defense is greatly disfavored even in US courts and is not recognized in the Rome Statute. Ben Milan, "a reliance on legal advice establishes a possible affirmative
defense known as entrapment by estoppel in a criminal proceeding." From a purely academic point of...