Do you remember any details about this? It seems odd, because many CIA operatives have “cover” identities in which they are employees of (and receive paychecks from) the Department of State, the Department of Agriculture, USAID, or even NGOs and private companies which are then reimbursed by the CIA under an IPA agreement.
I don’t remember the exact details, but after the fall of the Soviet Union, a former KGB operative, in an interview said that they knew who everybody was, and that is how they were able to know who they really were.....................