A man found dead on an Adelaide beach in 1948—his identity unknown, his past a riddle, and his pocket containing a cryptic phrase: "Tamam Shud"—meaning "it is finished."

But what if it wasn’t finished?

In this episode, hear from Professor Derek Abbott, a man who has spent decades unraveling this enigma. And now, he claims to have the answer.

Using DNA technology, Derek has identified the Somerton Man.

But does this revelation truly close the case? Or does it open even deeper questions about who The Somerton Man was, how he died, and the strange, almost spy-like clues surrounding his final days?

Keep up with Kathy here.

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Two former high-profile NSW Detectives lured a drug dealer to a storage unit in Sydney's southern suburbs and murdered him in what the just called a "cold-blooded execution".

Their trial took a turn when both turned on the other trying to prove they didn't kill Jamie Gao, the 20-year-old drug dealer who had taken 2.8 kilograms of the drug ice to the meeting, expecting to make millions in the deal. He was dead minutes later.

In this episode of Crime Insiders | Judgements we go behind the scenes as Roger Rogerson and Glen McNamara prepare their ambush on Gao, and we take you to court to hear how their respective defence teams tried to prove they didn't murder Gao.

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Ted Kaczynski terrorised the US for almost 20 years. But, what was it like forensically analysing the letters of a twisted genius?

Max Houck is one of the world's most respected and recognised forensic scientists.

During his time at the FBI, he worked on some of the world's most infamous forensic investigations, including 9/11, D.B Cooper, and The Unabomber.

Understand Max's career with host Kathryn Fox, as we dive into these cases and hear the incredible stories of their forensic investigations.

If this content affected you, the number for lifeline is 13 11 14.

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Behavioural threat assessment is a new area of policing and it's been incredibly successful in helping to solve complex crimes. Former NSW Detective Kris Illingsworth trained with the FBI in behavioural threat assessment.

In this episode of Crime Insiders | Detectives, Brent Sanders discovers how behavioural threat assessment works and how it can be used to reduce the risk of domestic violence.

We also delve into the case of the murder of a health care executive in New York and how profiling helped police arrest the suspect.

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Belle Gibson convinced the world she was a wellness warrior—a survivor who beat terminal brain cancer through clean eating and alternative medicine. Her story made her a star, landing deals with Apple and Penguin and amassing a global following. But there was just one problem... she never had cancer.

In this episode of Crime Insiders | Judgements, we uncover what happened when the truth caught up with her—the court cases, the fines, the missing thousands, and the staggering deception that left charities and consumers betrayed.

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Sandra Nicholson was at the heart of chaos. Whilst Melbourne was under siege during the Gangland Wars, and bushfires wreaked havoc across Victoria, those at the top of Vic Pol were forced to front the media and take responsibility for the intensity surrounding the city.

Sandra Nicholson was Assistant Commissioner at Victoria Police for 5 years, and steered the ship with Commissioner Christine Nixon. Sandra joined the service in 1975, and rose through the ranks until her retirement almost 40 years later.

Brent Sanders chats with Sandra as she reflects on her career, and the high stakes work that took her from Social Service in NSW, to the second highest-ranking female officer in the history of Victoria Police.

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What if a prevention of domestic violence was hiding in plain sight – on four legs?

Research shows that in homes where abuse happens, pets are often victims too. So, could vets be the missing link in identifying and addressing domestic violence? Should they have the same mandatory reporting requirements as doctors and teachers?

Today’s guest, Dr Lydia Marwood, knows just how intertwined abuse of animals and humans is. She’s a forensic veterinary pathologist regularly tasked with performing necropsies of animals or animal remains suspected to be victims of crime.

Lydia led the investigation that unearthed a mass grave of 99 greyhounds in NSW’s Hunter Valley—a discovery that shook the state and contributed to a ban on greyhound racing.

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Australian Police have used a controversial tactic known as the 'Mr Big' technique to elicit confessions from some of the country's worst killers. Perhaps the most famous being child murderer, Brett Peter Cowan.

Please visit Danielmorcombe.com.au and learn about the Daniel Morcombe Foundation.

Daniel’s parents, Denise and Bruce launched the foundation to provide personal child safety education to children and young people to prevent abuse and promote lifelong health and wellbeing. They support educators, parents and carers through the provision of resources and education and also directly support young victim-survivors of crime.

If this content affected you, the number for Lifeline is 13 11 14.

See omnystudio.com/listener for privacy information.