Jesús Abad Colorado, the photographer around which the movie is centered, worked for 25 years making a photographic record of the Colombian armed conflict and his work has been published in important newspapers, such as El Colombiano, magazines, such as Semana, and publications of the Grupo de Memoria Histórica of the Centro Nacional de Memoria Histórica of Colombia.
Guillermo Galdós and Angus Macqueen had worked together before in the film Drug Lord: The Legend of Shorty (2014).