Why do North Korean defector testimonies so often fall apart?https://www.theguardian.com/world/2015/oct/13/why-do-north-korean-defector-testimonies-so-often-fall-apart
The Strange Tale of Yeonmi Park
http://thediplomat.com/2014/12/the-strange-tale-of-yeonmi-park/
Yeonmi Park: The Defector Who Fooled the World http://jooparkblog.blogspot.fi/2014/12/yeonmi-park-defector-who-fooled-world.html
North Korean scientist never defected to Finland
http://www.helsinkitimes.fi/finland/finland-news/domestic/13512-north-korean-scientist-never-defected-to-finland.html
Why North Korean Defectors Keep Returning Home
http://www.businessinsider.com/why-north-korean-defectors-keep-returning-home-2013-12?r=US&IR=T&IR=T
North Korean defectors admit most North Koreans genuinely like their government
https://www.npr.org/sections/thetwo-way/2013/08/30/217186480/defectors-think-most-north-koreans-approve-of-kim-jong-un
ML-Theory 