As Pompeo spoke on several Sunday morning talk shows, the Pentagon said three American prisoners freed by North Korea had left Walter Reed National Military Medical Center in Washington and been reunited with their families.
Kim arrived in South Korea in 2011 but has been asking the government here to send her back to the North, claiming that she was duped by a broker.
A North Korean mouthpiece in Japan on Monday demanded the return of a group of North Korean women who defected from a restaurant in China in 2016. This is the first time that the USA government mentioned a specific place in its territory to store North Korea's nuclear facilities and materials to be dismantled.
So far, North Korea and the United States have expressed different views on the steps and timetable for dismantling the regime's nuclear arsenal.
The Yomiuri Shimbun report also noted that during Kim's visit, he had asked Xi for some form of economic assistance during the intermediate phase of disarmament, should his regime and the United States come to an agreement.
The Chinese city of Dandong, which lies on the border with North Korea, is tightening regulation of its property market after speculators pushed up home prices as they bet on Pyongyang's pledge to rebuild its economy.
"The prospect for North Korea is for it to become a normal nation, to behave and interact with the rest of the world the way South Korea does", he said. A breakdown in the talks could be costly - a collapsed faith in diplomacy would heighten fears of military conflict on the Korean Peninsula or maybe even spark a destabilising arms race in Northeast Asia. Doing so would strike "a critical blow to the core foundation of the North Korean power structure", he said. Probably, it would be more realistic to work towards a capping of the North Korean nuclear and missile programmes that could be comprehensively monitored and verified.