Criminology Files

Criminologist Theresa

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True Crime
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A true crime podcast that looks at real cases of mystery, murder, and criminal behaviour through a criminological lens. Each episode unpacks what happened, how the investigation unfolded, and the psychology behind the people involved. From well-known cases to lesser-known tragedies, it’s all about understanding the story behind the headlines and what the evidence really tells us.

3d ago

The Peter Bergmann Mystery

The Man Who Never Existed: Peter Bergmann 2009, a man using the name Peter Bergmann arrived in the coastal town of Sligo, Ireland. He checked into a hotel, paid in cash, and gave false details for every piece of information requested. Over the next few days, he was seen moving quietly through the town—discarding items, avoiding contact, and seemingly preparing for something no one could understand.Then, just as suddenly as he appeared, he was gone.Days later, his body was found on a nearby beach. Despite extensive investigation, police were unable to confirm his real identity, trace his origins, or understand his motive for travelling to Sligo in the first place. Every lead led to a dead end. Every detail raised more questions than answers.Was Peter Bergmann an alias? A carefully planned disappearance? Or the final act of a man determined to erase himself completely?In this episode, we explore one of the most baffling modern unidentified decedent cases in Europe—a story built entirely on silence, gaps, and a name that may not have ever been real.

25 min
Jun 30

Coogee Shark Arm Mystery

In one of Australia's strangest unsolved mysteries, a tiger shark caught off Sydney's coast vomited a human arm onto the deck of an aquarium exhibition. What initially seemed like a bizarre marine curiosity quickly spiralled into a murder investigation involving insurance fraud, criminal gangs, blackmail, and a victim whose body was never found.How did a severed arm become the key piece of evidence in a murder case? Who was James "Jim" Smith, and why did his death lead detectives into Sydney's dangerous underworld? Most importantly, who killed him—and why was no one ever convicted?Join us as we unravel the shocking true story of the Shark Arm Case, a mystery that remains one of Australia's most bizarre and enduring criminal investigations. Disclaimer: This video is presented for educational and documentary purposes only, based on publicly available sources and court records. Some elements are reconstructed for narrative clarity. All individuals are presumed innocent until proven guilty. Viewer discretion is advised due to discussion of real-world violence.

13 min
Jun 22

ISDAL WOMAN: THE ICE VALLEY MYSTERY

In 1970, the burned body of an unidentified woman was found in Norway's remote Isdalen Valley. She carried multiple aliases, travelled across Europe, and left behind a trail of mystery that remains unsolved more than fifty years later. In this three-part true crime documentary, we explore the discovery, the investigation, the theories, and the modern forensic efforts to uncover the identity of the woman known only as the Isdal Woman.

18 min
Jun 15

The Somerton Man: Australia's Greatest Unsolved Mystery

On the morning of December 1, 1948, an unidentified man was found dead on Somerton Beach in Adelaide, South Australia. He carried no identification. Every label had been removed from his clothing. Hidden in a secret pocket was a tiny scrap of paper bearing two mysterious words: "Tamam Shud" — Persian for "ended" or "finished." What followed became one of the most baffling investigations in Australian history. A mysterious suitcase. A cryptic code that remains undeciphered. Cold War espionage theories… a man whose identity remained unknown for more than seventy years.

14 min
Jun 9

Bogle–Chandler: Australia's Most Puzzling Double Death

On New Year's Day 1963, the bodies of two respected Sydney scientists, Dr. Gilbert Bogle and Margaret Chandler, were discovered on the banks of the Lane Cove River. Neither appeared to have suffered any obvious injuries, yet both were dead under circumstances so strange that police, forensic experts, and the public were left searching for answers. What began as a suspected double murder quickly evolved into one of Australia's most baffling unsolved mysteries. Rumours of secret affairs, espionage, poisonings, and elaborate conspiracies dominated headlines for decades. Despite one of the most extensive investigations in Australian history, no definitive explanation emerged. In this episode of Criminology Files, we examine the lives of Gilbert Bogle and Margaret Chandler, reconstruct their final hours, explore the competing theories that have surrounded the case for more than sixty years, and uncover how an unexpected scientific explanation may have solved a mystery that puzzled an entire nation. Was it murder, a tragic accident, or something far stranger? This is the story of Australia's most enigmatic double death:

19 min
Jun 8

The Pyjama Girl Mystery: The Woman Who May Not Have Been Linda - PART 2

After nearly ten years of dead ends, police finally announce a breakthrough in Australia's most famous unidentified murder case. The Pyjama Girl has a name. Linda Agostini. And her husband, Antonio Agostini, has confessed. For the public, the mystery appears solved. Newspapers declare the case closed. A husband has admitted responsibility, and one of the nation's most notorious investigations seems to have reached its conclusion. But decades later, researchers, historians, and forensic experts begin re-examining the evidence — and what they uncover raises disturbing new questions. Did Antonio Agostini really kill Linda Agostini? Was his confession reliable? And most importantly... Was the woman found near Albury actually Linda at all? In Part Two of this series, we explore the controversial confession, the sensational 1944 trial, and the modern forensic doubts that have led some investigators to believe the Pyjama Girl may never have been identified. If police solved the wrong murder, then one of Australia's greatest mysteries remains unsolved to this day. 🎙 In this episode: • Antonio Agostini's confession • The 1944 manslaughter trial • The evidence presented in court • Questions surrounding the identification • Modern forensic re-evaluations • Theories about the victim's true identity • Whether the case was really solved • The enduring mystery of the Pyjama Girl Nearly a century later, one question still lingers: Who was the woman in the yellow silk pyjamas? Listener discretion is advised. Contains discussion of murder, violence, and historical crime.

13 min
Jun 8

The Pyjama Girl Mystery: The Girl in the Glass Tank - PART 1

In September 1934, a gruesome discovery beside a lonely road near Albury would spark one of Australia's most infamous criminal mysteries. A young woman is found partially burned, shot in the neck, and dressed in distinctive yellow silk pyjamas embroidered with a dragon motif. Police have no name, no suspect, and no obvious clues. As the investigation stalls, authorities make a shocking decision: preserve the victim's body in a tank of formalin and keep it available for identification. For nearly a decade, thousands of people view the preserved corpse. Rumours spread across Australia. Psychics contact police. Newspapers become obsessed with "The Pyjama Girl." But despite years of publicity, nobody can identify the murdered woman. In Part One of this two-part series, we examine the discovery of the body, the bizarre forensic preservation that turned a murder victim into a public spectacle, and the decade-long investigation that captivated the nation. Was the mystery finally solved in 1944... or were police about to make a devastating mistake? The Pyjama Girl Mystery remains one of Australia's most haunting cold cases. 🎙 In this episode: • The discovery near Albury in 1934 • The forensic examination • The yellow dragon pyjamas • The formalin preservation tank • Public viewings of the body • The media frenzy • The search for the victim's identity • The breakthrough that changed everything Listener discretion is advised. Contains discussion of murder, violence, and historical crime.

13 min

7 Episodes

A true crime podcast that looks at real cases of mystery, murder, and criminal behaviour through a criminological lens. Each episode unpacks what happened, how the investigation unfolded, and the psychology behind the people involved. From well-known cases to lesser-known tragedies, it’s all about understanding the story behind the headlines and what the evidence really tells us.

Creator

Criminologist Theresa
Years Active

2K
Episodes

7
Rating

Explicit
Copyright

© Criminologist Theresa
Show Website

Criminology Files