Where the prosecution's central thrust is to attack the credibility of an accused's exculpatory account as an implausible concoction, rather than to invite the jury to treat specific lies as independent evidence of guilt through consciousness of guilt reasoning, no Edwards-type direction is required. The adequacy of a simpler direction that lies may be told for reasons other than guilt depends on the circumstances of the case. The fact that competent trial counsel did not seek an Edwards direction is a strong indicator against a finding of miscarriage of justice on appeal.
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