Day 2: 12:00 Midnight-1:00 A.M. - S2-E17
Factual error: When Yousef uses his Nextel to call Jack he uses the bleep button on the Nextel. Yet when Jack gives the phone to Wallace it is a regular call and not the Nextel bleep.
Day 2: 12:00 Midnight-1:00 A.M. - S2-E17
Continuity mistake: When Kate and Jack are escaping CTU the mirror breaks off one of the doors when the security guard tries to close the gate. Later on in the episode both of the mirrors are on the car.
Answer: According to Jack in season 5, Nina was "deep cover" before the pair ever met, so it's safe to assume she was recruited before she joined CTU. As for what her primary mission was, who knows? Perhaps it was to gather sensitive intel and pass it on to her superiors. Given that she worked for an intelligence agency, it's not a stretch. Or perhaps we may find out in season seven.
Cubs Fan ★