Some stories are so profound, so unimaginable, that they stay with us forever. The Unthinkable is the latest podcast from Casefile Presents, hosted by two of Australia's leading voices in true crime, Vikki Petraitis and Emily Webb. The series delves into tales of ordinary people who have faced extraordinary, often devastating events and emerged forever changed.

From survivors of traumatic events to victims of relentless stalking, and even those who’ve confronted some of Australia’s most notorious criminals, The Unthinkable explores the depths of human resilience.

Listen now wherever you get your podcasts.

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When Denyer’s reign of terror was over, he left devastation in his wake. Family and friends struggle to make sense of the crimes. Debbie Fream’s son, now nearly 30 speaks of his loss. With the parole bid looming, we all need to be warned.  

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So who is Paul Denyer? He was a boy with some strange and concerning habits which people noticed. As a 21-year-old in prison, he had to navigate a whole new world. We meet the people who met him in prison. 

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As Natalie’s family holds her funeral, the police prepare the case against Denyer. He pleads guilty and the judge gives him a life sentence. He appeals and is granted a 30-year non-parole period. Widespread community outrage follows. 

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Denyer’s confession is like nothing the police have seen before. He is cocky and boastful and details his crimes with a note of pride in his voice. However, he is cagey about some aspects. He talks to the detectives like they are all friends. 

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While Natalie’s loved ones spend the night wondering if the body found could be her, police frantically hunt the killer, fearing he’ll strike again. When two cops report checking a car near the murder scene, his name comes up on the computer. 

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Natalie Russell was on her way home from school at 2.30 in the afternoon when she was targeted by the serial killer. He had grown cocky and left evidence at the scene that would link him to the murders. 

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A frantic hunt for Debbie is shadowed by images of her partner Garry and their tiny baby. He begs for Debbie to come home on the nightly news. Four days later, a farmer discovers her body. The public panics and fears of a serial killer grow.

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Debbie Fream’s new baby was just 12 days old when she invited a friend over for dinner to show him the baby. In the middle of cooking, she ran out of milk and left the friend with the baby while she went to the local store. She never returned. 

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After work Thursday 8 July, Roszsa Toth caught the train home to Seaford. Walking in the dark past the Seaford Reserve, Roszsa saw a man watching her. He suddenly lunged and grabbed her. She fought her way from him and was picked up by a passing car.

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