The sentencing of former deputy police commissioner Jevon McSkimming represents not just the downfall of a senior officer, but a cloud over the system that enabled him to rise almost to the top.

Once considered a frontrunner for police commissioner, McSkimming pleaded guilty to possessing child exploitation and bestiality material and was sentenced to nine months home detention.

The crimes only came to light because complaints about his conduct during the promotion process triggered a deeper investigation.

Evidence from the Independent Police Conduct Authority shows those complaints of sexual misconduct were dismissed or minimised. A young staff member who reported the alleged behaviour was undermined and her motives questioned.

This was not just about one man. It reflected a failure of proper process and wrongful protection of power at the highest levels.

The McSkimming case cannot be separated from the wider epidemic of violence against women in New Zealand.

OECD data shows the country has

© The Conversation