On Easter Monday 2021, police were called to the home of a successful professional couple in the affluent Auckland suburb of Remuera. They found the body of Pauline Hanna.

In his emergency call, her husband, Philip Polkinghorne, said she killed herself. Sixteen months later he was charged with her murder. As this podcast is released, he's currently on trial at the High Court in Auckland.

Stuff's groundbreaking series returns to take you inside the Polkinghorne trial: Hear the witnesses, follow the evidence, wait for the verdict.

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An admission appears to cast doubt on Alan's claims of innocence while undiscovered clues point in an entirely new direction.

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In his search for answers, Mike Wesley-Smith has faced slammed doors, hung-up phones, dead ends and red herrings. What aren't police and prosecution telling him?

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In the aftermath of Alan Hall's guilty verdict, we hear from witnesses who were never called to give evidence, and one who says he was pressured by police to change his statement.

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It was his own brother that led police to his door, but what was the case against Alan Hall?

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He admitted the weapon was his, and the hat had been in his possession. So why are there so many question marks over Alan Hall's conviction?

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Alan Hall, a man with no alibi or answers, was found guilty of murder. But did police get the right man?

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In a friendly, safe suburb, a loved family home becomes a crime scene. Some locals say Papakura felt different after Arthur Easton's murder.

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It was a Sunday night in suburban New Zealand like any other. Until Brendan Easton heard a click from the back door.

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