The word 'necessary' in s 152(4)(c) of the Corruption and Crime Commission Act 2003 (WA) sets a high threshold for disclosure, requiring the Commission to be satisfied on reasonable grounds that disclosure is required (not merely reasonably necessary) in the public interest. The Commission's prevention and education function under s 17 is a relevant consideration in the exercise of the power under s 152(4)(c). The decision to conduct a public examination is a relevant factual matter in the assessment under s 152(4)(c) but does not of itself satisfy the higher threshold. The majority and dissent disagreed on whether the prejudice to the administration of criminal justice from facilitating a 'trial by media' using compulsorily obtained, inadmissible evidence prevented satisfaction of the s 152(4)(c) condition.
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