R v Omar Grieves & Others

Facts

Where the issue in a case was whether the identification of defendants by witnesses who knew them had been fabricated, the potential relevance of weaknesses in the witnesses' evidence would be to that issue. The decision in Turnbull required the judge to remind the jury of any specific weaknesses which had appeared in the identification evidence; however, it did not require the judge to remind the jury more generally of every argument for not believing a witness.

You can read the full judgment here.