Major. Nina Pirogova
Colonel Pirogova (Father; deceased)
Season 4, Episode 7
Season 4, Episode 10
Major Nina Pirogova is a Russian officer in the FSB. She was sent by Philip Locke to rescue Stonebridge and Scott out of Black Bear Prison.
In the final episode of Season 4 She killed Arkady Ulyanov. He was the man who killed her father. She also said that she was done with the FSB.