Investigative journalist on quashing of David Tamihere's double-murder convictions

The Supreme Court of New Zealand has quashed David Tamihere's 1990 convictions for the murders of two Swedish backpackers, Heidi Parkinen and Urban Hoglin, in a landmark decision after 36 years. The court found fundamental errors in the original trial, particularly the reliance on jailhouse snitch testimony—especially from Conchie Harris, who was later proven to have lied—and a significant shift in the Crown's case theory. While the conviction is annulled, the court has directed a retrial, leaving the decision to proceed with prosecution up to the Crown. The case has drawn national attention due to its long history, the potential for a miscarriage of justice, and the emotional toll on both the accused and the victims' families in Sweden. Investigative journalist Mike White, who has followed the case for decades, praised the Supreme Court’s thorough and decisive judgment, emphasizing that the case must now be retested before a jury to ensure fairness. The episode explores broader systemic issues in New Zealand’s criminal justice system, including recurring miscarriages of justice in high-profile cases like those of Arthur Alan Thomas, David Bain, and Alan Hall. White highlights how flawed investigative practices—such as overreliance on unreliable informants and shifting theories—can undermine the integrity of trials, even decades later. While the Crown faces difficult decisions about whether to pursue a retrial given the passage of time, witness unreliability, and the fact that Tamihere has already served 20 years, the judgment underscores the importance of accountability and due process. Ultimately, the decision reaffirms that justice must be re-examined when foundational errors are uncovered, regardless of how much time has passed.