Kris Kremers Lisanne Froon All 90 Photos

Kris Kremers (20) and Lisanne Froon (22) were friends and former classmates from the Netherlands. They had been planning their trip to Panama for months, eager to explore the country's natural beauty. The pair arrived in Panama on April 1, 2014, and spent several days in the capital city, Panama City. On April 7, they set off for Bocas del Toro, a popular tourist destination known for its beaches, rainforests, and vibrant culture.

The first third of the night photos are disorienting. We see overexposed shots of the ground, a large leaf, and a distinct red plastic bag. Most disturbingly, several shots show the back of a person’s head —blonde hair, believed to be Kris’s—but the angle is impossible. The camera appears to be held at waist height, pointed upward, or placed on the ground. Kris Kremers Lisanne Froon All 90 Photos

One of the most famous images shows a close-up of the back of Kris Kremers' head . Theories differ on whether her hair appears clean or shows signs of blood near the temple. Kris Kremers (20) and Lisanne Froon (22) were

, taken in near-total darkness, that remains the most chilling evidence of their final days. The Night Sequence: April 8, 2014 On April 7, they set off for Bocas

Critics point to several anomalies in the 90 photos: