It was once said, back when Russia was the “Soviet Union”, that a wall would be necessary to keep the west OUT of the Communist country once they discovered what a great deal communism was……..How many defectors have been reported as running across a border to get INTO North Korea? Or any other communist carnival?……ZIP
Desperation. How would you feel if one of your unit defected in a regime that put soldiers to death with anti aircraft artillery? You were on a detail from which a fellow “comrade” attempted and succeeded in escape ?