The Robinson v R prohibition on inviting a jury to discount evidence based on an accused's interest in acquittal extends to comments about a co-accused's interest. A trial judge's direction that the accused's evidence is to be treated like any other witness does not cure the vice if it fails to address the specific impermissible comment and may give it tacit support. Where a circumstantial Crown case depends on rejecting a co-accused's evidence and the only basis for rejection is the co-accused's interest in acquittal, the verdict will be unsafe and unsatisfactory.
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