Carlos Enrique Duque Duque died that day at 8:00 hours, at the Second Carabineros Precinct, from six thoracic gunshot wounds with exit wounds, as certified by the Medical Death Certificate from the Legal Medical Institute.

According to statements provided by family members and a surviving witness, he and Carlos Duque were arrested at the latter's home by Carabineros officers belonging to the Second Precinct of Puente Alto in the early hours of October 12, 1973. Both were accused of robbery.

According to the official version, while being held at the aforementioned police station, he was killed while attempting to escape.

The other detainee stated that Carlos Duque was taken from his cell at 6:00 hours and that several shots were heard shortly thereafter. Subsequently, the witness was transferred to the San Bernardo Prison and never saw Carlos Duque again.

The following day, uniformed officers from the aforementioned Second Precinct of Puente Alto arrested about twenty young people inside a recreational park, many of whom were preparing to attend Carlos Duque's funeral.

Six of them were executed at a dump located on the side of the Mapocho River. Their bodies were found with multiple gunshot wounds, some discarded on the Bulnes bridge and others on the Lo Errázuriz road.

Their cases were recorded as victims of human rights violations in the report of the National Commission for Truth and Reconciliation. They are Luis Miguel Rodríguez Arancibia, Alfredo Andrés Moreno Peña, Luis Segundo Suazo Suazo, Luis Alberto Verdejo Contreras, Jaime Max Bastías Martinez, and Leonidas Díaz Díaz.

Considering the evidence gathered and the investigation conducted, the Superior Council of this Corporation reached the conviction that Carlos Enrique Duque Duque, while in detention, was executed by State agents outside of any legal process. By virtue of this, it declared him a victim of human rights violations.