 In June 2017, President Donald Trump condemned Kim Jong-un's "brutal" regime and described Kim as a "madman" after the death of American student Otto Warmbier who had been imprisoned during a visit to North Korea.However, in 2019, U.S. President Trump said that he believed Kim was not responsible for Warmbier's death.In 2012 a machine gun was discovered beneath a juniper tree in Ryugyeongwon, located near a route that Kim was going to travel.