How to break in and out of north korea

https://www.bloomberg.com/news/articles/2018-02-22/defectors-reveal-harsh-life-for-north-korea-s-sports-ambassadors
https://en.wikipedia.org/wiki/North_Korean_defectors
https://globalnews.ca/news/3859804/how-many-north-korean-defectors/
https://globalnews.ca/news/3839951/north-korean-defector-ellie-cha/
https://en.wikipedia.org/wiki/North_Korea%E2%80%93Russia_border
https://www.express.co.uk/news/world/895530/north-korea-news-defector-escapes-border-joo-il-kim
http://www.telegraph.co.uk/news/2017/02/07/20-years-run-russia-north-korean-defector-facing-repatriation/
https://www.express.co.uk/news/world/879275/North-Korea-defector-Kim-Jong-un-Pyongyang-South-Korea-Suwon-China-DMZ-Russia
https://edition.cnn.com/2017/11/13/asia/north-korea-defector-dmz/index.html
http://www.foxnews.com/world/2018/01/24/north-korean-defector-may-have-committed-murder-before-daring-escape-across-dmz-report-says.html
https://www.uritours.com/blog/how-to-get-north-korean-visa/
https://drewbinsky.com/north-korea-not-expected-heres/
http://mentalfloss.com/article/65915/10-things-know-when-sneaking-north-korea
http://www.businessinsider.com/foster-klug-north-korea-holds-a-powerful-temptation-2014-9
https://sputniknews.com/asia/201711131059065402-american-arrested-following-failed-attempt-to-sneak-into-north-korea/