Continuity mistake: When Ducky is explaining what happened, Palmer is taking his right glove off. Camera changes and now he is taking his left glove off. (00:05:50)
Continuity mistake: When Abby and Gibbs determine that the ambulance exploding wasn't an accident, McGee is visible next to Gibbs. He then mysteriously disappears, and a moment later, walks around the ambulance carrying an evidence baggy. (00:08:15)
Continuity mistake: When Gibbs and the director sit down for the Chinese food, she picks up her fork and places it into some food. Camera cuts and now she is reaching across the table. (00:32:20)
Untouchable - S3-E20
Continuity mistake: The camera pans across a line of several anime plushies. When the shot then goes wide, several of the plushies have either been re-arranged or removed completely, including a pink plush and the Kyogre plush. It also seems as though there are two Miroku plushies in the scene as well, one near the middle and one off to the side of the left pillow. (00:04:10)
Untouchable - S3-E20
Continuity mistake: Ziva says how she has the same problem as Tony in regards to a neighbor. When she does we can see a red suit wearing agent entering the house. Camera cuts and he never appears. (00:09:20)
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)
Untouchable - S3-E20
Continuity mistake: When Ziva and Tony head out to bring in Lieutenant Napleton, in the first shot Tony grabs his jacket then holds it in his left hand, as he reaches down with his right hand to grab his backpack. Next shot Tony is now holding his jacket in his right hand, as he's reaching for his backpack with his left hand. (00:15:45)
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: 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)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.