The Harvey and Jeannette Crewe Murders

Harvey and Jeannette Crewe

Harvey and Jeannette Crewe were a young farming couple living on a property at Pukekawa, a rural district south-west of Auckland near the Waikato River. Jeannette’s father, Len Demler, farmed nearby. The couple had one child, a daughter named Rochelle, who was 18 months old in June 1970. On the afternoon of 17 June 1970 the Crewes were seen at a stock clearance sale at Bombay. Police later concluded that they were shot dead in their farmhouse that evening. Their killing remains one of New Zealand’s most notorious unsolved crimes, and the injustice that followed has shaped the country’s legal history.

A house found empty

For five days no one raised the alarm. When Len Demler went to the house, he found it empty except for Rochelle, alive in her cot; there were signs that something terrible had happened, but no sign of her parents. A large search followed. The couple’s bodies were later recovered from the Waikato River: Jeannette’s about two months after the killings, and Harvey’s on 16 September 1970, downstream from the Tuakau bridge. That a baby had survived for days alone in the house, with no trace of her parents, has haunted public memory of the case ever since.

The investigation and two convictions

Detectives, led by Detective Inspector Bruce Hutton, first looked at Demler and then focused on Arthur Allan Thomas, a local farmer. A key piece of evidence was a .22 cartridge case found in the Crewes’ garden, which police linked to Thomas’s rifle. Thomas was convicted of both murders in 1971 and sentenced to life imprisonment. He maintained his innocence, and after appeals and mounting doubts about the police evidence he was retried in 1973, but a second jury again found him guilty. Journalists and authors, among them Pat Booth and David Yallop, kept the case in the public eye and argued that the conviction was unsafe.

Pardon and the Royal Commission

Following an independent inquiry ordered by Prime Minister Robert Muldoon, Thomas received a free pardon in December 1979, after about nine years in prison. A Royal Commission of Inquiry reported in 1980 that the cartridge case used against him had been planted by police, describing it in strong terms as an outrage, and found Hutton and Detective Lenrick Johnston responsible for misconduct. Thomas was awarded NZ$950,000 in compensation. In 1981, however, the Solicitor-General decided there was not enough evidence to prosecute any police officer, and nobody was ever charged over the fabricated evidence.

The 2014 police review

In 2010 Rochelle Crewe asked police to reopen the investigation. A review team led by Detective Superintendent Andy Lovelock produced a report of around 330 pages, released on 30 July 2014. It found a distinct possibility that the cartridge case had been planted, probably by police, and acknowledged that the original crime scene had been poorly managed. An independent assessment by David Jones QC went further, describing a clear finding of fabrication and saying there would have been enough evidence to prosecute Hutton had he still been alive. Hutton died in 2013 denying any wrongdoing. The review cleared Len Demler and found no credible evidence against other people who had been publicly suspected, but it could not identify the killer. Police Commissioner Mike Bush apologised to Rochelle for shortfalls in the investigation, including the failure to review the case after the pardon and the Royal Commission.

Recent developments

The murders remain officially unsolved, and no one has been charged since Thomas’s pardon. In late 2023 journalist Kirsty Johnston and academic James Hollings published The Crewe Murders: Inside New Zealand’s Most Infamous Cold Case, the product of years of research. The book argued that tunnel vision had ruined the original inquiry, that witness sightings of the Crewes’ car after the killings had been wrongly dismissed, and that an axle used in the case against Thomas probably did not come from the trailer police linked to him. The authors have suggested that answers may still be possible while Rochelle is alive. No coroner’s inquest or new formal inquiry into the deaths was found in reporting from 2024 to 2026.

Why the case matters

The Crewe case is New Zealand’s defining example of a miscarriage of justice. It showed that evidence could be fabricated by investigators and still survive two trials and appeals, and it produced a Royal Commission finding that police officers had manufactured evidence against an innocent man. The pardon, the compensation and the later police apology have made it a standing reference point in New Zealand debates about wrongful convictions, police accountability and the review of cold cases, and the fact that no officer was ever prosecuted remains a source of public unease. Above all, the case left Rochelle Crewe without answers about who killed her parents. More than half a century later, Harvey and Jeannette Crewe are remembered not only as victims of a double murder but as the people whose deaths were overshadowed by a failure of the justice system.