Annette Nenner, Christian Hardinghaus
THE DEFINITIVE INVESTIGATION INTO THE DISAPPEARANCE OF KRIS KREMERS AND LISANNE FROON
"Still Lost in Panama" delivers the most in-depth investigation into the disappearance of Kris Kremers and Lisanne Froon on the Pianista Trail. In April 2014, these two Dutch students vanished while hiking in the Panamanian jungle near Boquete, leaving behind only a handful of disturbing photographs and desperate attempts to call emergency services on their phones.
Despite the discovery of some remains and personal belongings months later, the circumstances of their deaths remain shrouded in mystery. Drawing on exclusive access to official files, new witness interviews, and months of field research in Panama, investigative journalists Dr. Christian Hardinghaus and Annette Nenner expose shocking investigative errors and reveal new evidence that could finally crack this decade-old cold case.
If you're captivated by true crime, missing persons, and unsolved mysteries, this book is a must-read. Join the search for answers-order your copy now and help shed light on one of the world's most baffling disappearances!
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Still Lost in Panama: The Real Tragedy on Pianista Trail—The Definitive True Crime Investigation
Unraveling the Mystery: The Cold Case of Kris Kremers & Lisanne Froon, 10 Years Later
The Disappearance That Shocked the World
Dutch tourists Kris Kremers and Lisanne Froon went missing on April 1, 2014, while hiking the Pianista Trail near Boquete, Panama. Their mysterious disappearance quickly became one of the most debated true crime cases worldwide, fueling countless podcasts, online forums, and investigative documentaries. Was it a tragic accident in the unforgiving Panamanian jungle, or did the young women fall victim to foul play?
Groundbreaking Investigative Journalism
In “Still Lost in Panama,” investigative journalists Dr. Christian Hardinghaus and Annette Nenner present the most comprehensive analysis of the case to date. For the first time, they gained exclusive access to official investigation files and forensic reports, enabling a scientific, fact-driven approach that cuts through years of speculation and misinformation.
New Evidence, Eyewitness Testimonies, and On-Site Research
The book is based on:
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A meticulous review of all available police files, search protocols, and forensic evidence
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Five months of on-the-ground research in Panama’s cloud forest
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Follow-up interviews with key witnesses and the discovery of new leads
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Day and night expeditions retracing the possible paths of Kris and Lisanne
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Exposure of critical investigative errors and overlooked clues



Beyond Theories: Facts Over Fiction
While a 2021 book co-authored by a former prosecutor selectively supports the accident theory-and a popular podcast series sensationalizes a crime theory without solid proof-“Still Lost in Panama” challenges both narratives with hard evidence and balanced analysis. Hardinghaus and Nenner debunk myths, clarify timelines, and offer new perspectives on one of the world’s most puzzling cold cases.
Key Revelations and Unanswered Questions Addressed
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Who is truly depicted in the infamous group photo?
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What do the mysterious nighttime camera shots reveal?
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What role did the red pickup truck and plastic bag play?
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What happened at the isolated cabin near the Mirador?
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How can the timeline discrepancies be explained?
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Why were crucial forensic findings ignored?
Brand-New, Expanded Second Edition (2025)
Responding to reader demand, this new edition features in-depth chapters, additional expert commentary, and even more exclusive insights. “Still Lost in Panama” is essential reading for anyone fascinated by true crime, unsolved mysteries, and the relentless search for truth.
Marking the tenth anniversary of this haunting tragedy, the book stands as both a meticulous investigation and a tribute to Kris Kremers and Lisanne Froon-two young lives lost far too soon.

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The following is an introduction to the Pianista Trail by Annette Nenner.
The Pianista Trail in Panama
The internet is full of reports about the disappearance of Kris and Lisanne in Panama, and everyone knows they disappeared in the forest. However, very few have a clear picture of what the Pianista Trail, which leads into this forest, actually looks like. I want to shed some light on that here. This text focuses only on the hike up to the summit, the Mirador. In a follow-up, I will soon describe the trail beyond the Mirador.
The Pianista Trail in Panama was not originally created as a hiking trail for tourists but as a trade route for indigenous people living in villages between Boquete and the Caribbean coast. However, it has established itself as an adventurous hiking trail for tourists, winding through lush vegetation and dense forest, past idyllic streams and colorful flowers. The route is popular with tourists, yet on most days, you’ll only occasionally encounter other hikers. It’s far less crowded than, for example, the Waterfall Trail in Boquete.
The route and its challenges
Read the full text here: http://www.still-lost-in-panama.com