North Korea has been scarred by the three-generation Kim dynasty but one defector said the current dictator is the most deadly.
Joo-il Kim told Express.co.uk Kim Jong-un scares him far more than Kim Jong-il and Kim il-Sung, both of whom he lived under in North Korea before escaping.
He said life in North Korea has deteriorated under each leader with Kim Jong-un now only caring about himself and displaying “madness beyond explanation”.
Speaking from his office in New Malden, London, he said: “Under Kim il-Sung people weren’t starving. They were given the minimum requirements to live.
“Under Kim Jong-il people were starving and even said ‘even Japanese colonialists gave food to people to survive but Kim Jong-il doesn’t give out rations’.
“But Kim Jong-un is totally different from the previous two leaders.”
Joo-il said Kim Jong-un is different largely due to his treatment not just of normal North Koreans but even of his own family members.
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This, he said, was a madness “beyond explanation”.
He said: “They [Kim Jong-il and Kim il-Sung] did execute people, they did punish people for standing against them but they didn’t kill their family or their close cronies. But Kim Jong-un killed his uncle.
“That is a crime against humanity. His madness is beyond explanation.”
This, Joo-il explained, was especially inconceivable given Kim Jong-un’s time spent studying abroad as a teenager.
Kim studied at an expensive school in Switzerland where he made Western friends, developed a love for basketball and a taste for sugary snacks.
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But despite this he returned to North Korea where, in time, he would become the most despotic leader in the country’s history.
Joo-Il said: “Even the previous two leaders did not study abroad or go to sea other places but Kim Jong-un spent his years in Switzerland.
“I cannot understand where his madness comes from.”