. >> kroft: and that was the jack barsky birth certificate. >> barsky: the jack barsky birth certificate that somebody had obtained and i was given. i didn't have to get this myself. >> kroft: did you feel strange walking around with this identity of a child? >> barsky: no. no. when you do this kind of work, some things, you don't think about. because if you explore, you may find something you don't like. >> kroft: the newly minted jack barsky landed in new york city in the fall of 1978, with a phony back story called a "legend" and a fake canadian passport that he quickly discarded. the kgb's plan for him was fairly straightforward. they wanted the 29-year-old east german to get a real u.s. passport with his new name, then become a businessman, then insert himself into the upper echelons of american society, and then to get close to national security adviser zbigniew brzezinski so that he could spy on him. >> barsky: that was the plan. >> kroft: why? >> barsky: because i was not given very good instructions with regard to how to apply for a passport. >> kroft: when he went to apply for