North Korea's Clumsy Assassins

To the unsuspecting eye, 71-year-old Kim Shin-jo blends in easily with life in the greater Seoul area – no more conspicuous than the local bank teller, post office clerk or parents dropping off their children at school.With his salt-and-pepper hair neatly folded in a classic comb-over, usually accompanied by freshly pressed cords and an open-collared shirt, he looks every inch the archetypal South Korean grandfather.