Expert evidence on appeal was admissible under s.23(2) Criminal Appeal Act 1968 if it demonstrated some form of abnormality relevant to the reliability of a defendant's confession or evidence, and there was a very significant deviation from the norm shown, and a history which pointed to or explained the abnormality or abnormalities.

CA (Crim Div) (Roch LJ, Keene J, Astill J)

25/01/2000