The case provides a comprehensive restatement of the principles governing appeals against conviction on multiple grounds including fitness to be tried, deficient legal representation, unreasonable verdict, fresh and new evidence, and guilty pleas. The distinction between fresh evidence (not available at trial) and new evidence (available but not used) is restated, with the higher threshold for new evidence confirmed: it must establish innocence or raise such doubt that the court is satisfied the appellant should not have been convicted. Evidence relating only to credibility issues is unlikely to meet this requirement.
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