"Kenneth Bae was sentenced for 15 years hard labor, initially no details were released but eventually the government stated he was smuggling anti-government propaganda into North Korea. He is a part of Operation Jericho which was launched by Youth With a Mission in 2006. The purpose of this operation was to form an “anti-government coalition." Sharing Christian faith in North Korea is dangerous, there is no word on what will happen with Kenneth Bae yet."
Read North Korea Reveals American was Sentenced to 15 Years Hard Labor for Missionary Work at persecution.org.