When the main characters drive from the village to the cave to hide the "treasure," the trunk is empty. When they are parked outside of the cave, the trunk is filled with boxes.
In the movie during the Christmas scene, it is shown that Pablo Escobar's wife already had their baby girl when in fact the actual daughter was born in 1984, around the time before or after the assassination of Rodrigo Lara Bonilla in April 1984.
When Nick is hiding in the car, there is a hole in the cover that is projecting a focused circle of light on his face. In reality, the overcast weather would produce very diffused light and therefore the light projected on Nick's face would be a soft glow, not a focused circle.
The flag flying outside the Canadian embassy is not the Canadian flag.
Claudia Traisac's accent is Spanish, not Colombian. During the movie, she uses a lot of Mexican and Argentinian words.