Continuity mistake: When Fornell and Gibbs are talking in Gibbs' basement, Gibbs places a red storage box on some wood and there is a fair gap between the red box and the cardboard box that is next to it. When the camera changes, the boxes are almost touching with no-one touching it. (00:04:15)
Untouchable - S3-E20
Continuity mistake: When Gibbs is talking to the Lieutenant about her rights, his has his papers next to a green folder. Camera changes and the papers have vanished. (00:17:10)
Untouchable - S3-E20
Continuity mistake: When Gibbs is interviewing the LT, he has a green folder on the table. Camera changes and now there is white papers on top of the folder. (00:16:45)
Untouchable - S3-E20
Continuity mistake: McGee brings the food back to NCIS and there are 3 bags on the tray. Two are taken leaving one. We then see Tony take one leaving a fourth on the tray that wasn't there before. (00:14:35)
Continuity mistake: McGee knocks into Gibbs who drops his coffee. The position of the cup in relation to the lid changes drastically between the long shot and the close up. (00:12:40)
Continuity mistake: When the woman gets the baby out the car at the start she closes the car door. A few seconds later, the second woman closes the same car door. (00:00:30)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.