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Motive & Method

Motive & Method

Written by: TAPT Podcasts
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About this listen

Motive & Method is an expert-led Australian true crime podcast. Join Dr Xanthe Mallett and criminal psychologist Tim Watson-Munro as they unpack what really makes the offenders behind some of history’s most notorious cases tick, and also react and unpack crimes as they hit the headlines. You will also hear from victim survivors, investigators and advocates for change analysing motive, and method.

2026 Xanthe Mallett and Tim Watson Munro
True Crime
Episodes
  • Bonus: John Twaddle [Extended Interview]
    May 2 2026

    John Twaddle thought he knew who murdered his brother Gordon, but the person he had suspected has been ruled out by police on multiple occasions.
    Almost 50 years after Gordon was found dead off Queensland’s Flinders Highway, alongside his girlfriend Karen and mate Tim, their families are no closer to the truth.

    In this extended interview from the documentary series Outback Murder Highway, John shares what it was like to return home to New Zealand without answers, and spend decades waiting for a breakthrough.

    This interview was conducted by Callum Denness for the television series Outback Murder Highway - On Channel 9 at 8.30pm on Wednesday nights - from April 22 to May 13.
    Or watch anytime here - on 9Now.

    See omnystudio.com/listener for privacy information.

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    18 mins
  • Outback Murder Highway: Triple Murder At Spear Creek
    Apr 29 2026

    In October 1978 three bodies are found at Spear Creek in remote outback Queensland - each has a single rifle shot to the head. Decades later a prime suspect is ruled out but did witnesses identify another man?
    In this special episode for Outback Murder Highway, Tim and Xanthe are joined again by investigative journalist Amelia Oberhardt to unpack the documentary investigation into the unsolved murders of Karen Edwards, Tim Thomson and Gordon Twaddle.

    You can watch the Outback Murder Highway TV documentary series 8.30pm Wednesday on Channel 9 from April 22 to May 13.
    Or watch anytime here - on 9Now.

    See omnystudio.com/listener for privacy information.

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    24 mins
  • Bonus: David Cunningham [Extended Interview]
    Apr 24 2026

    For over fifty years, David Cunningham has been searching for the truth about his sister Anita, who vanished while hitchhiking Queensland’s notorious Flinders Highway in 1972.
    While her friend Robin was tragically found murdered, Anita’s fate remains one of the Outback's most enduring and haunting mysteries.
    In this powerful, extended interview from the documentary series Outback Murder Highway, David shares the grueling reality of a half-century search for justice. From the initial desperate weeks to the sudden breakthrough of new witnesses, he explores the theories, the suspects and his hope that someone who knows something will come forward.


    This interview was conducted by Jo Townsend for the television series Outback Murder Highway - On Channel 9 at 8.30pm on Wednesday nights - from April 22 to May 13.
    Or watch anytime here - on 9Now.

    See omnystudio.com/listener for privacy information.

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    25 mins
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