The Supreme Leader of NK has not been seen in public for a number of weeks.

Speculation is rife as to who would succeed him, if he is gravely ill or dead.

The most likely candidate is his closest confidant. A young woman whose always by his side.

Becky Milligan pieces together the mystery of Kim Yo-jong. Politician and sister of Kim Jong-un.


Producer Smita Patel
Researcher Darin Graham
Editor Ravin Sampat