He was born in Arad. In 1947, while a student at the Carol I High School in Craiova, he joined the anti-communist resistance group led by general Ioan Carlaonț.[3][4] Ciuceanu completed high school next year and enrolled in the Faculty of Medicine, but he was arrested in September 1948 by the communist authorities.[5] He was interrogated by the Securitate and the NKVD,[1] and sentenced to 15 years of imprisonment with hard labor for having laid the foundations of "a subversive organization with a terrorist character" and for "purchasing weapons, ammunition and explosives, with the aim of removing the regime and to fight against the Soviet Union, through actions of sabotage and insurrection."[6] Ciuceanu was detained at penitentiaries in Craiova, Jilava, Târgșor, Pitești, Gherla, Aiud, Văcărești, and Dej, as well as at the Poarta Albă forced-labor camp on the Danube–Black Sea Canal.[3][4][7] While at Pitești Prison, starting in 1949, he was tortured (by, among others, Eugen Țurcanu[5][6]), as part of the notorious re-education experiment supervised by the Securitate general Alexandru Nicolschi.[3][7] Ciuceanu was also subjected to torture at Gherla Prison in 1951.[5] He was freed on 18 September 1963, but remained under Securitate monitoring until 1989.[4][8] He was not issued an identity card or a work permit until 1965.[1]