let you have the money. >> gregg bergersen: whoa, oh, are you sure that's okay? , yeah, fine. >> bergersen: you're sure? >> kuo: yeah. >> pelley: we watched the tape with john slattery, the f.b.i. agent at headquarters who oversaw the case. he recently retired as a deputy assistant director. what's happening there? >> john slattery: information has been passed prior, and this is reward for that, or there is expectation that passage of information is forthcoming, so that's what's happening right here. >> pelley: how much money is he holding in his hand? >> slattery: i think we're probably looking at about $2,000, thereabouts. >> pelley: tai shen kuo's money and contacts came to the f.b.i.'s attention while the bureau was investigating a different chinese espionage case. they followed him, tapped his phone, watched his email, and all of that led to bergersen. in the car, the pentagon employee and chinese spy were plotting the hand-over of secret documents that listed future weapons sales to taiwan and details of a taiwanese military communications system. >> bergers