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

Nights12mMarch 31, 2026

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AI-Generated Summary

The episode of Nights explores the landmark decision by New Zealand's Supreme Court to quash David Tamihere's 1990 convictions for the murders of two Swedish backpackers, Heidi Parkinen and Urban Hoglin, in the Coromandel. The court ruled that a fundamental error occurred during the original trial—specifically, the use of jailhouse snitch testimony, one of whom was later found to have lied—rendering the trial unfair. The Supreme Court also highlighted that the Crown's current theory of the crime differs significantly from the original case, necessitating a retrial before a jury. While the conviction has been annulled, it is not an acquittal; the Crown now holds the decision on whether to pursue a retrial, weighing factors such as the passage of time, the death of key witnesses, and the potential for justice versus practicality. The episode features investigative journalist Mike White, who has followed the case for decades, reflecting on systemic flaws in policing and prosecution, and emphasizing the importance of accountability and due process in high-stakes criminal cases. White underscores that while the justice system is inherently fallible, cases like Tamihere’s reveal recurring patterns of misconduct, such as reliance on unreliable informants and shifting narratives. He notes that while he remains a journalist and avoids advocacy, he believes today’s Supreme Court decision was both necessary and correct. The episode concludes with a broader reflection on the challenges of criminal justice reform in New Zealand, the emotional toll on victims’ families and the accused, and the ongoing need for transparency and rigorous scrutiny in cases where lives and reputations hang in the balance.

Key Takeaways
1

The Supreme Court quashed David Tamihere's 1990 convictions due to a fundamental error: the use of a jailhouse snitch who later admitted to lying.

2

The Crown’s current theory of the murders differs significantly from the original case, requiring a retrial to test new evidence before a jury.

3

Quashing a conviction is not an acquittal—it means the case must be retested, and a retrial is now up to the Crown’s discretion.

4

Systemic issues in policing and prosecution—such as reliance on unreliable informants and shifting case theories—have led to multiple miscarriages of justice in New Zealand.

5

The decision reflects the importance of judicial oversight and rigorous questioning, especially in long-standing, high-profile cases.

Chapters
0:00
2 min

Supreme Court Quashes Tamihere's Convictions

This is not the kind of thing that the Supreme Court does every day. Turn a controversial case on its head...

Highlight
2:00
3 min

The Role of Jailhouse Snitches and Lying Witnesses

One of these jailhouse snitches... was found to have purged himself, to have lied at Tamahiri's trial.

Highlight
5:00
4 min

Why a Retrial Is Now Required

If it's so different, then this new evidence has to be tested in front of a jury. You can't just say, oh yeah, that sounds about right...

Highlight
9:00
4 min

The Crown’s Dilemma and Broader Justice Implications

The episode examines the Crown’s decision-making process regarding a retrial, considering factors like the passage of time, witness reliability, and the victims’ families’ need for answers.

High-Impact Quotes
This is not the kind of thing that the Supreme Court does every day. Turn a controversial case on its head and this was a very strong judgment from the Supreme Court.
Mike White1:12
Viral: 85.0
If it's so different, then this new evidence has to be tested in front of a jury. You can't just say, oh yeah, that sounds about right...
Mike White3:56
Viral: 82.0
It's not for us. I just think that his case has enough concerns from an evidential point of view, that it's important and good that it's going back to the court to be retested again.
Mike White12:17
Viral: 80.0
Speakers

Host

Neil

Guest

Mike White
Topics Discussed
miscarriage of justice95%jailhouse snitches90%Supreme Court decision88%criminal justice reform85%evidentiary errors82%retrial process80%police misconduct75%victims' families70%
People & Brands

David Tamihere

person

28xNeutral

Crown

organization

15xNeutral

Supreme Court of New Zealand

organization

12xPositive

Heidi Parkinen

person

10xNeutral

Urban Hoglin

person

10xNeutral

Coromandel

place

6xNeutral

Conchie Harris

person

5xNegative

John Hughes

person

4xMixed

Arthur Alan Thomas

person

3xNegative

The Sunday Star Times

organization

2xPositive

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