Season 1 – The Crystal Cave Murders

Listen to all Episodes on any platform of your preference and get hooked to this mysterious Swiss crime story.


Embark on an investigative true crime podcast exploring one of Switzerland’s most mysterious, horrific, and perplexing unsolved murder cases. This chilling cold case continues to stir and baffle a nation even four decades later. The crime shattered a once peaceful and quaint village and its surrounding region overnight, plunging it into a traumatic state that reverberates to this day.

Media – Trailer

Episode 1, The Disappearance

In the first episode, we are introduced to the two victims and the days leading up to their disappearance. We explore the factors that motivated them to embark on their summer bicycle adventure and unravel the events that transpired during those three crucial days. Furthermore, we explain the decision-making process behind choosing their final route home. Finally, we trace their journey to the crossroads, where they were last seen alive.

June 17, 2023

Media – Episode 1, The Disappearance

Episode 2, The Search

In the second episode, our focus shifts towards the events that unfolded in the days and weeks following the disappearance of the two girls, as well as the discovery of their abandoned bicycles. We explore the observations and testimonies provided by locals, shedding light on how the police gradually initiated their search efforts around the crossroads and the nearby Crystal Caves.

June 24, 2023

Media – Episode 2, The Search

Episode 3, The Discovery

In the third episode, our attention is directed towards the discovery of two bodies in the incredibly treacherous terrain near the Crystal Caves, as well as the conclusions drawn by the police. We delve into the perplexing statement and actions of the finder both prior to and following the discovery, along with testimonies from individuals who made relevant observations pertaining to the case.

July 1, 2023

Media – Episode 3, The Discovery

Episode 4, The Suspects

In episode 4, we turn our focus to the police investigation as they diligently work to unravel the nature and motive behind the double murder. Through a meticulous examination of the circumstances and the collection of additional testimonies, they narrow down their focus to four individuals who emerge as potential suspects. But the results of their investigation present them with a daunting challenge, and it becomes clear that they are confronted with a highly intricate case that surpasses their experiences.

July 8, 2023

Media – Episode 4, The Suspects

Episode 5, The Case File XY

In the fifth episode, we concentrate on how the police, devoid of any leads sought assistance from the renowned television program, Case File XY Unsolved. A collaboration that led to the production of a meticulous 10-minute reenactment. We closely examine the outcome of this endeavour, and we try to explain the inconsistencies between the established facts and the events portrayed in the reenactment.

July 15, 2023

Media – Episode 5, The Case File XY

Episode 6, The Main Suspect

With the case essentially going cold, a completely different investigation unexpectedly brought a new suspect into the spotlight in 1985. In episode 6, we delve deep into the intricate details and circumstances that renewed the police’s hope. Moreover, we have the privilege of hearing from the accused, who, after several years of silence, agreed to give an interview for the first time, shedding light on his perspective and involvement in the case.

July 22, 2023

Media – Episode 6, The Main Suspect

Episode 7, The New Leads

In episode 7, remarkable new leads emerge 37 years after the double murder took place. This unexpected development thrusts one of the previously known suspects back into the spotlight. We delve into the subsequent investigations pursued by private investigators and media representatives, striving to unravel the mystery. Additionally, we explore how the tragic events served as the foundation for books, leaving an enduring shadow over the villages and surrounding by the enigmatic Crystal Caves.

July 29, 2023

Media – Episode 7, The New Leads

Episode 8, The Conclusions

The final episode serves as a comprehensive summary of the events, offering the most prevalent possible scenarios alongside a fresh personal account from the podcast’s author. However, it ultimately leaves the listeners with the autonomy to draw their own conclusions regarding the true sequence of events and the underlying factors that led to the tragic and deaths of the two teenagers

August 5, 2023

Media – Episode 8, The Conclusions

Episode 9, Bonus: Statute of Limitations

The episode explains the 30 year staute of limitations for capital crimes in Switzerland and describes the pro and cons of the abolition bill currently under discussion in the Swiss parliament.

January 9, 2024

Media – Episode 9 , Statute of Limitations



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