News North Korea executes nuclear envoy to U.S. after failed Trump summit: report May 31, 2019May 31, 2019Kim Hjelmgaard, USA TODAYComments Off on North Korea executes nuclear envoy to U.S. after failed Trump summit: report Kim Hyok Chol was executed by firing squad in March along with four other foreign ministry officials, South Korea's Chosun Ilbo newspaper reported.