Guadalupe Aguilar is founder of the Familias Unidas por Nuestros Desaparecidos association. Her son, José Luis Arana, disappeared in 2011 in the state of Jalisco, when he was 34 years old.

Aguilar: “I don't want to die without knowing what happened to him” The group will be recognized this Wednesday with the King of Spain Human Rights Award, presented by the Ombudsman and the University of Alcalá with a financial award of 25,000 euros.