Kim Jong-un isn't dead.
He is just busy with Yom Hazikaron and Yom Ha-atzmaut, wanting to have private ceremonies. Also, he is embarrassed to appear in public because of his sefira beard and his hair around the sides of his head which has grown in, making him look like an almost normal human being.
However, he WILL probably die soon. He is 5'6 and weighs 300 pounds. [I am about 5'10 and a half and weigh about 128. My wife sometimes suggests that I eat but I worry about keeping my slim figure]. Also he smokes 4 packs a day, drinks heavily and has that thick neck which is great if you are a middle linebacker but is also a sign of ill health.
So he should be doing tshuva and getting ready to meet his Maker.