See No Evil - S2-E1
Continuity mistake: When Gibbs leads Tony and Kate to MTAC, Tony extends his arm in a "ladies first" gesture to let Kate go ahead of him, then drops his arm to his side. In the next shot, his arm is extended again and he drops it a second time. (00:16:30)
See No Evil - S2-E1
Continuity mistake: In the scene where Gibbs' phone breaks, and he tells McGee to "reboot" it, Tony is in the back, getting a phone out of the cabinet. He starts to give the phone to McGee. The next shot, the cabinet opens again, and Tony pulls out the phone again and gives it to McGee. (00:04:55)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.