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The Crown finally opens its case against David Lyttle. This episode was first released on 26 June 2023. After years of delays and postponements, the Crown finally opens its case against David Lyttle for the murder of Brett Hall.The contest of stories can finally begin. What really happened? Will the rest of the evidence give us the full story? And what will the jury think when they hear both sides? Go to this episode on rnz.co.nz for more details

The trial begins, only to collapse after a week due to police failures. Can a fair trial ever happen? This episode was first released on 23 June 2023. The trial begins. A week later, it's declared a mistrial. The Crown has just turned over evidence that seems to say someone saw the murder of Brett Hall - and the killer wasn't David Lyttle! How could that possibly happen? It turns out that this is just the latest in an astonishing chain of disclosure failures by police investigating the case. Is the justice system broken? Can a fair trial go ahead? Go to this episode on rnz.co.nz for more details

We find it hard to believe people would confess to a crime they didn't commit. But they do. This episode was first released on 21 June 2023. What can psychologists tell us about Mr Big? Leading experts in false confessions argue that we (and therefore jury members) find it difficult to believe that someone could confess to a crime they didn't commit, difficult to tell when someone is lying, and difficult to accept that it's people's predicaments that drive their behaviour, not their character. All this makes David's lawyers nervous about the trial. They try put up expert evidence so the jury can understand these things, but the judges threw it out.They said juries should be able to understand all that on their own. But can they? Could you? Go to this episode on rnz.co.nz for more details

The police get their confession. But can we believe it? This episode was first released on 19 June 2023. We go inside the sting police used on David Lyttle and look at the tactics involved: the nurturing of friendship with "Nick"; the offers of money, cars, trips and status. David is told again and again the catchwords of the gang - truth, honesty, loyalty. This is an organisation that looks after its people, that doesn't judge them, and that controls crooked cops who can fix anything. As long as you are honest with Mr Big. But is this fair? And can we believe any confession that comes from the sting? Go to this episode on rnz.co.nz for more details

Only three countries in the world allow the Mr Big technique to be used. We're one of them. This episode was first released on 16 June 2023. Mr Big is a powerful technique that can bring justice to murder victims. But experts disagree about its effectiveness. Some support the technique. Others think Mr Big stings exploit people's vulnerabilities and encourage them to lie. Not all countries use the sting, including the United States of America and the United Kingdom. In Canada, police employ some surprising and troubling variations on Mr Big to get the accused to confess.. But despite all this, an undercover police team here in New Zealand get approval to run Mr Big on David Lyttle. Will it work? Go to this episode on rnz.co.nz for more details

Is this police sting reliable? Is it just? This episode was first released on 14 June 2023. When Halcombe builder David Lyttle answers a knock on his door in March 2014, he's drawn into a shadowy organisation with promises of wealth and friendship. David is desperate to join, but learns that first, he has to get the nod from the organisation's boss, Mr Big. Mr Big asks David about his past. David says he's committed a murder. He shows the boss where he says the body parts are buried. Then... he's arrested. It was all a police sting! Police dig up the burial sites. There's nothing there. Was this a confession? Is it reliable? Is it just? Go to this episode on rnz.co.nz for more details

The Mr Big technique is a powerful tool used to get criminals to confess. But is it fair? Is it just? Or does it lead to false convictions? This episode was first released on 6 June 2023. Can the police use a story to get to the truth about a murder? In 2014, David Lyttle, a struggling builder in the little town of Halcombe, answers a knock at his door. What happens then leads him into a shadowy criminal organisation that offers him friendship, a new job, and riches, in exchange for one thing: honesty. Pressed by the organisation's boss, David Lyttle confesses to murdering his friend Brett Hall three years earlier. He shows the boss where he buried the body parts. Then, his world explodes. He's arrested and charged with murder. The whole thing was a police sting operation known as "Mr Big". And now David has confessed. Or has he? The body parts aren't there. It starts to look like the confession doesn't add up. How reliable is a confession obtained by dangling these prizes, and where it costs the suspect nothing to make up a story the boss apparently wants to hear? And how good are we - and are jurors - at working out whether to believe such a confession? This series follows the prosecution of David Lyttle through to the verdict and its aftermath. We visit the campsite in rugged bushland 30 km from Whanganui where David was building a house for his best friend Brett Hall. We learn that Brett was annoyed at David and believed David was ripping him off. We also find out that Brett was dealing drugs and told people he had a big deal coming up soon. Then he disappeared. Did Brett fatally fall out with David over a building dispute? Or was he murdered over a drug debt? The trial looks to be an uphill battle for David Lyttle. There's the confession evidence. The problem that juries almost always convict Mr Big defendants. And the fact that, in order to show the jury how powerful the manipulation was so that they might understand how he came to give a false confession, David is going to have to convince them that he's a liar, a dupe and a willing criminal. Journalist and lawyer Steven Price looks into the stories and failings of one of Aotearoa's most controversial 'Mr Big' investigations. Mr Lyttle meets Mr Big looks at the evidence pointing to David, and the evidence pointing to a drug killing. We examine the police's astonishing failures to properly disclose evidence to the defence - even when that evidence pointed to another killer. We follow the ups and downs of the trial… Go to this episode on rnz.co.nz for more details

A key witness comes forward with new information that could vindicate Gail Maney, and the lead detective reflects on where his investigation might have gone wrong. This episode was first released on 30 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details

As Gail Maney and three others go on trial for murder, flaws in the prosecution case come to light. This episode was first released on 29 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details

The media called him a “stone cold killer”, but the truth about Stephen Stone is a bit more complicated than that. This episode was first released on 28 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details

Two historic murder investigations merge into one. But how can police figure out what actually happened, when their key witnesses keep changing their stories? This episode was first released on 27 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details

A terrified witness contacts police. Revelations about a young woman’s murder force detectives to reconsider everything they thought they knew about the Deane Fuller-Sandys case. This episode was first released on 26 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details

Gail Maney had a tough West Auckland upbringing, but she wasn’t a bad kid. Then in the 1990s she slid into a life of hard drugs, petty crime and prostitution. But does that really mean she’s a killer? This episode was first released on 25 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details

For years, Deane Fuller-Sandys was thought to have drowned while fishing at Whatipu. But did police get it right when they later decided Deane was the Larnoch Road “body in the boot”? This episode was first released on 25 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details

Gail Maney has served 15 years in jail for ordering the 1989 murder of young Auckland tyre-fitter Deane Fuller-Sandys. But she says she never knew him. In fact, she thinks he wasn’t even murdered. This episode was first released on 25 June 2018. Read more about the case, watch extended video interviews and keep track of the case with a summary of the characters, a timeline and map here. Produced in partnership with Stuff. Go to this episode on rnz.co.nz for more details