His crime is that he left his country, because he was unable to bear the oppression; he subsequently became a Christian, the Chinese authorities returned him to North Korea, and in the meantime he made comments criticising the system.
Son crime est d’avoir quitté son pays, parce qu’il ne supportait pas l’oppression. Il s’est ensuite converti au christianisme, les autorités chinoises l’ont renvoyé chez lui en Corée du Nord et, entre-temps, il a formulé des commentaires critiquant le système.