http://nma.tv | http://www.nma.com.tw A 50-year-man was tortured to death in North Korea for trying to convert people to Christianity, according to reports. Son Jong Nam returned to North Korea several years ago armed with bibles and cassettes after spending time with Christian missionaries across the border in China. Son's brother, who revealed the news of Son's death, said he had been detained on a previous occasion and tortured with a cattle prod.