Exclusive interview: Former Police Commissioner Andrew Coster resigned as the head of the Social Investment Agency this week, after a scathing report from the Independent Police Conduct Authority.

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Coster and several other former senior officers were singled out for mishandling sexual misconduct complaints regarding former Deputy Commissioner Jevon McSkimming, who was subsequently found to be accessing child exploitation and bestiality images on his work computer.

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Coster told Q+A's Jack Tame he was wrong to trust Jevon McSkimming but he always acted honestly and in good faith. He claims senior figures knew more about the McSkimming case than they have said publicly — something these parties dispute.

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Join Jack Tame and the Q+A team and find the answers to the questions that matter. Made with the support of NZ on Air.