Foua, a farmer in his 30s, has spent three months behind bars in Vietnam’s northwestern province of Dien Bien. He will remain there for two more, convicted of deforestation – even though the law only stipulates a fine as punishment. His crime? Cutting down nine trees to build a hut for his family. But his wife, Cua, who did not want to reveal her or Foua’s real names for fear of retaliation, says her husband has been persecuted for being Christian. When she last saw him, he was in hospital, three days after he was jailed, his leg shackled to...