Yesterday's Hankyoreh reported the following: "...evidence has emerged that the National Intelligence Service (NIS) under former director Won Sei-hoon attempted to strip the Korean Teachers and Education Workers Union (KTU) of its official status and to force labor unions to leave the Korean Confederation of Trade Unions (KCTU)..."(the full article you can read here)

Related article:
☞ Ruling favors ban on teachers' union (K. Times, 5.28)