North Korean defectors
By Tom Brada
By Michael Madden
North Korea leadership expert, Stimson Centre
By Julie Yoonnyung Lee
Thae Yong-ho is one of the highest ranking North Korean officials ever to defect. He's been talking to the BBC's Steve Evans about the regime.
Yu Hyun-joo was a propaganda .and member in North Korea before her defection
22-year-old Nara barely knew what social media is before her defection from North Korea.
The incredible tale of the North Korean prison guard and prisoner who broke out of a detention centre together to flee the country's repressive regime.Copyright: BBC
By Laura Bicker
BBC News, Seoul
As North Korea successfully tests a major new weapon, we speak to its most famous defector, Thae Yong-Ho, about his family's life after defecting and about Kim Jong-un's mindset.