Context
January 1975. Manuel Agüera, José Laso Pérez, Ricardo Iglesias López and Felipe Sánchez were conscripts doing their military service at the Academia de Ingenieros in Burgos. They had spent New Year's leave in Cantabria and had to report back by reveille. At about 04:31 they left a bar in Torrelavega in a white Mini 850. Laso Pérez was picked up at Ontaneda. Agüera was at the wheel.