Coal, iron ore, copper, and other commodities constituting the bulk of North Korea’s exports are mined using forced and slave labor, according to a new 50-page report by the Committee for Human Rights in North Korea (HRNK). Authored by Kim Kwang-jin, North Korean escapee and senior analyst currently residing in South Korea, Gulag, Inc.: The Use of Forced Labor in North Korea’s Export Industries is an examination of North Korea’s forced and slave labor practices, highlighting North Korea’s extractive industry.