A sentencing judge who persistently characterises agreed facts in emphatic and pejorative terms (such as 'false', 'a lie', 'misleading and deceptive', or describing sentencing on that basis as being 'party to a fraud') may give rise to a reasonable apprehension of bias that cannot be cured by later assurances of impartiality. For the co-conspirator's rule, there must be reasonable evidence of the accused's participation in the conspiracy at or before the time the co-conspirator's statement was made, and that evidence must be found independently of the co-conspirator's statement itself.
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