Part of This World, this documentary looks at the killing of the half-brother of North Korean dictator Kim Jong-un.
On 13th February this year, Kim Jong-nam was attacked in Kuala Lumpur airport while on his way to catch a flight to Macau. He was killed with VX, one of the world’s most deadly chemical weapons. A Vietnamese and Indonesian pair of women were later arrested and the entire event was caught on CCTV.
This programme looks at the feud that lies in the middle of the family that rules the world’s most secretive country.
North Korea: Murder in the Family is on BBC Two at 21.00.