Criminal evidence – Extortion and attempted extortion – Sufficiency of evidence – Corroboration. High Court of Justiciary: Refusing an appeal by an appellant who was convicted of two charges of extortion and attempted extortion, which concerned the sufficiency of evidence on the first charge and whether there was corroboration of the complainer's identification of the appellant as a participant in the crime alleged in that charge, the court held that there was no evidence specific to identification on charge 1 other than the complainer's evidence, but given the obvious improbability of a different person being involved in charge 1 that gap was filled by the circumstantial identification evidence on charge 2, and the ratio of Howden v HM Advocate had little or no relevance.