↑ Pak, Jung H. (tháng 2 năm 2018). “The education of Kim Jong-un”. Brookings Institution. Kim probably also ordered the deadly attack by the application of a VX nerve agent—one of the most toxic of the chemical warfare agents—against Jong-nam, his half-brother and erstwhile competitor for the position of supreme leader of North Korea.
↑ Patricia Bauer, Kim Jong-Nam, Encyclopedia Britannica (last updated on ngày 6 tháng 5 năm 2018): "analysts believed that the murder was likely to have been ordered by Kim Jong-Un."
