Salar,

"She has to be a covert agent or there would be no investigation due to the lack of a crime. "

Only if you assume that investigations are merit based and not politically motivated.

She was an analyst not a covert agent like Austin powers . It has been reported in many articles that her role was no secret since the 1996 outing by the Russians and isrealis. However if anyone reveled her name while she was still on the covert roles it would be a crime technically.