North Korea is one of the most secretive nations on earth. Led by the unpredictable Kim Jong-un, the ‘hermit kingdom’ is largely sealed off from the rest of the world. Despite severe financial sanctions imposed by the United Nations, the nation has defied international pressure and developed a sophisticated and costly nuclear weapons program. While more than half of the population lives in poverty, Mr Kim and his cronies live a life of luxury, buying up big ticket items like state-of-the-art pleasure craft and top of the line Mercedes and Rolls Royce armoured cars. The question is, where is all that money coming from?