Luis Ernesto Calderón Cortés died that day, at 21:00 hours, at the Regimiento Maipo in Valparaíso, as stated in the Medical Death Certificate issued by the Instituto Médico Legal. The circumstance of death is listed as "execution by firing squad."

According to official information, Calderón Cortés was executed by firing squad on September 14, 1973, in compliance with the provisions of Bando Nº 24 of the Junta Militar de Gobierno, that is, for having participated in an attack on a police station.

However, according to witness statements, on that day, when a military patrol arrived at his workplace, a building under construction in the city of Viña del Mar, Luis Calderón became frightened and began to run, at which point the soldiers shot him and subsequently took his body away.

Considering the evidence gathered and the investigation carried out by this Corporation, the Superior Council declared Luis Ernesto Calderón Cortés a victim of human rights violations.