Because there aren't jobs for accountants anywhere else in the world?

North Korea on Wednesday confirmed the detention of another American citizen for alleged acts of hostility aimed at overthrowing the country.  Kim Sang Dok, an accounting instructor at Pyongyang University of Science and Technology, was "intercepted" at Pyongyang International Airport on April 22, according to the Korean Central News Agency. It said he was being detained while authorities conduct a detailed investigation into his alleged crime.  Associated Press