Donostiarra Asensio Arriolabengoa fled Alcalá prison with a new partner. They belonged to the Communist Party of Spain, fought and lost the War of 36 years ago. How did they escape? One member went to prison in disguise as a soldier, with his names, presented the prison officials with false documents of provisional freedom and deceived them, obtaining the freedom of the two prisoners. Arriolabengoa quickly fled to France, from where he emigrated to Uruguay in 1950. He was one of the precursors of Donostian communism.