Where police witnesses have recanted their trial evidence at a Royal Commission and been given new identities, the question whether 'all reasonable efforts to find' them have been made 'without success' under s 79C(2)(d) of the Evidence Act 1906 (WA) turns on whether the word 'find' means merely to obtain knowledge of the witness's whereabouts (Martin CJ) or to locate them so they can be compelled to attend court (Pullin JA). Even where recantation evidence is admitted, a conviction will be upheld if the remaining circumstantial evidence is sufficiently strong that no reasonable jury would have acquitted. The court divided on whether the availability of an alternative mechanism for service of subpoenas through police intermediaries means the witness has been 'found'.
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