What had little effort during South Korea 's first 20 year of growth ?
On October 24 , 2007 , following an internal inquiry , South Korea 's National Intelligence Service ( NIS ) admitted that its precursor , the Korean Central Intelligence Agency ( KCIA ) , undertook the kidnapping of opposition leader and future President Kim Dae - jung , saying it had at least tacit backing from then - leader Park Chung - hee .