"1) In criminal proceedings evidence of the bad character of a person other than the defendant is admissible if and only if— ... (b) it has substantial probative value in relation to a matter which— (i) is a matter in issue in the proceedings, and (ii) is of substantial importance in the context of the case as a whole."
"(c) where— (i) the evidence is evidence of a person’s misconduct, and (ii) it is suggested that the evidence has probative value by reason of similarity between that misconduct and other alleged misconduct. the nature and extent of the similarities and the dissimilarities between each of the alleged instances of misconduct..."
"i) the evidence is evidence of a person’s misconduct. (ii) it is suggested that that person is also responsible for the misconduct charged, and (iii) the identity of the person responsible for the misconduct charged is disputed. the extent to which the evidence shows or tends to show that the same person was responsible each time."
"Although couched in different terms from the provisions relating to the introduction of the defendant's bad character, in our view, section 100(1) does cover matters of credibility. To find otherwise would mean that there was a significant lacuna in the legislation with the potential for unfairness."