"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!
Still Lost in Panama. The Real Tragedy on Pianista Trail. (The Case of Kris Kremers and Lisanne Froon)
True Crime Investigation · Pianista Trail · Digital Forensics
A forensic re-examination of the Kris Kremers and Lisanne Froon case
Still Lost in Panama investigates the disappearance of Kris Kremers and Lisanne Froon on Pianista Trail through official case files, five months of on-site research, NFI-based digital forensics and a careful reconstruction of the evidence.
The Disappearance on Pianista Trail
A cold case re-examined through documents, terrain, technology and witness testimony.
Months On-Site
Digital Events
Turning Points
Night Photos
On April 1, 2014, Dutch tourists Kris Kremers and Lisanne Froon disappeared while hiking the Pianista Trail near Boquete, Panama. Their backpack was discovered weeks later, containing phones, a camera and data that would become central to one of the most discussed missing-person cases of the last decade.
In Still Lost in Panama, Christian Hardinghaus and Annette Nenner revisit the case through official investigation files, forensic reports, field research in Panama’s cloud forest and a detailed review of phone and camera data.
What the Book Examines
The investigation focuses on verifiable material rather than speculation.
Official case files
The authors analyze police files, search records and forensic material connected to the original investigation.
Phone and camera forensics
NFI-based digital data from phones and camera records is reviewed to reconstruct possible sequences of events.
The night photographs
The book examines 100 night photos and their significance for the timeline and location questions.
Timeline discrepancies
The investigation evaluates technical anomalies, gaps and possible turning points in the digital record.
Witness accounts
Key witnesses were re-interviewed, and competing interpretations of the case are compared against documented evidence.
Trail and terrain research
Field research on Pianista Trail and in the surrounding cloud forest provides geographic and practical context.
Inside the Investigation
Selected images from the field research and case documentation.
Short FAQ
Key questions for readers researching the Kris Kremers and Lisanne Froon case.
What happened to Kris Kremers and Lisanne Froon?
Kris Kremers and Lisanne Froon disappeared on April 1, 2014, while hiking the Pianista Trail near Boquete, Panama. Their backpack and digital devices were later found, but the case remains officially unresolved.
Is Still Lost in Panama based on real evidence?
Yes. The book is based on official investigation files, forensic reports, five months of on-site research in Panama and NFI-based digital forensic analysis of phone and camera data.
Does the book claim to solve the case?
No. The book does not present the case as definitively solved. It re-examines the available evidence, challenges weak assumptions and identifies unresolved questions in the official and public narratives.
What digital forensics are included?
The analysis includes phone and camera evidence, 167 digital events, 21 critical turning points and 100 night photographs, reviewed in connection with NFI-based forensic material.
Book Trailer
A visual introduction to the investigation and the Pianista Trail case.
Media interview: Annette Nenner and Christian Hardinghaus on The Zach Show.
Available as
Read Still Lost in Panama as a paperback or Kindle edition.
Read sample
· Goodreads
· Digital forensics
· About Christian Hardinghaus
