war, had begun his own quest for the bomb. >> it never occurred to kim il-sung that north korea should not have nuclear weapons. >> by the 1980s, kim il-sung began turning over some of his duties to son, kim jong-il. father and son were vastly different characters. >> you could talk to certain migrants from north korea that live in the south. they'll tell you that kim il-sung we loved. kim jong-il terrified us. >> introverted. >> kim jong-il is a complicated person. he was prone to mood swings. >> in 1994, kim il-sung died. there were doubts about kim jong-il's succession but they gradually faded because he had one talent. he was a master propagandist. >> when kim jong-il took charge of the propaganda section, they started to turn kim il-sung into a god. >> the myths of the dynasty, the preposterous stories of the god-like abilities and sacred blood line. kim jong-il largely created them.