>> barsky: because of chelsea. >> kroft: your daughter. >> barsky: yes. t's a no brainer. i'm out of here. >> kroft: barsky had chosen chelsea over matthias. >> barsky: i had bonded with her. it was a tough one because, on the one hand, i had a wife and a child in germany, but if i don't take care of chelsea, she grows up in poverty. >> kroft: this may be a little harsh, but it sounds like the first time in your life that you thought about somebody besides yourself. >> barsky: you're absolutely right. i was quite an egomaniac. i was. >> kroft: jack barsky was still left with the not insignificant matter of telling the kgb that he was staying in america. in a moment, we'll tell you how he duped the kgb, and how the fbi changed his life. [barks] are those... you there... stormtroopers! halt! turn here. go go! follow them! bb-8! beep, beep! this way! where'd they go? they went that way! that way, they went that way! i can't believe that worked! of course it worked! beep, beep, beep! unwrap the tempting layers of ferrero rocher. starting with a whole hazelnut,