In 1960, he was arrested by the Cuban government for conflicting reasons; the Cuban government alleged that he had been complicit in anti-Castro terrorism, while foreign sources regarded his arrest as being due to his protesting communism, leading Amnesty International to name him a prisoner of conscience.
Pada 1960, ia ditangkap oleh pemerintah Kuba untuk alasan yang bertentangan; pemerintah Kuba menuduh bahwa ia telah melakukan terorisme anti-Castro, sementara sumber-sumber asing menyatakan bahwa ia ditangkap karena memprotes komunisme, membuatnya Amnesty International menjadikannya tahanan hati nurani.