An American man tried to swim from South Korea to North Korea, in hopes of meeting Kim Jong-un, but was found by South Korean marines as he lay exhausted on a river bank. I'd say that he's extremely lucky to be arrested by South Koreans and not their northern counterparts.
Recently, another American in North Korea tore up his visa and demanded to be arrested, because he wanted to experience life in that country's prison system. He was quickly accommodated, by being sentenced to six years hard labor.
Read the story at the Mail Online, and whatever you do, stay the heck away from North Korea.