In May 2013, Mr David Jones QC accepted appointment as independent counsel to oversee the NZ Police Review into the Crewe homicides. The Review was initiated by Commissioner Howard Broad in October 2010 as a result of an approach by Rochelle Crewe. The Review had terms of reference which are set out in the Preface to the Review document.

Mr Jones' role has involved working with the Review Team to assess the work being undertaken and provide advice and other input as necessary. Mr Jones' involvement has enabled him to:

In 2010, after concerns were raised by Rochelle Crewe regarding the homicides of her parents, then Police Commissioner Howard Broad appointed a small team of experienced senior investigators and analysts to undertake a review of the 1970 homicides of Harvey and Jeannette Crewe.

The review was completed in accordance with the following 'Terms of Reference':

Appendix 19 of the Crewe Review has the judgements by the Court of Appeal which formed a part of the review into the deaths of Harvey and Jeannette Crewe.

The judgements are from:

Appendix 18 of the Crewe Review is the manual used by New Zealand Police Detectives who investigated the deaths of Harvey and Jeannette Crewe. The manual was produced in 1964.

Appendix 17 of the Crewe Review has a range of miscellaneous reports that formed a part of the review into the deaths of Harvey and Jeannette Crewe.

The miscellaneous reports includes:

Appendix 6 of the Crewe Review is the opinion of Solicitor-General Paul Neazor QC as to the prosecution of Bruce Hutton which formed a part of the review into the deaths of Harvey and Jeannette Crewe.