I’m sure a lot more was done to the families of those who escaped than just re education.
How did they make it all the way through north korea to Souh Korea?
They worked in China. I dont have a map in front of me but is there any part of China that is closer to South Korea than the rest?
In a few cases, N. Koreans escape via sea. These are usually group defections. Multiple family members hop on a boat and sail to S. Korea. Some others escaped to Japan taking long voyage from N. Korean coast. Some years ago, there was an attempt by escaped N. Koreans to charter a boat in China to reach S. Korea, which did not succeed as far as I can remember.