Continuity mistake: When Gibbs stops Sgt. Roberts from killing his neighbor, he holds out his ID badge. His hand jumps from the top of the wallet to the bottom, then back to the top. (00:31:20)
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)
Silver War - S3-E4
Continuity mistake: When Abby realises she is like a Barbie doll, her hands are together by her chest. Camera cuts and one hand has moved away instantly. (00:24:00)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.