Continuity mistake: We are often shown the same NCIS form used for searches. However the form is constantly changing design. Even in the same episode on some occasions.
Nine Lives - S6-E5
Continuity mistake: When Fornell walks past the reporters at the court house he passes The Wall. Camera cuts and he has jumped back and isn't near The Wall. (00:36:30)
Nine Lives - S6-E5
Visible crew/equipment: Just as Fornell shouts "protecting your men" at Kale, a camera and crew are reflected in the mirror. (00:33:20)
Nine Lives - S6-E5
Visible crew/equipment: During Gibbs' interrogation of Kale about the FBI case, there is an extreme close up of Gibbs. In this shot, look at the mirror in the background to see the reflection of the camera. (00:30:45)
Nine Lives - S6-E5
Visible crew/equipment: When McGee is trying to look at Kale's phone records, Tony walks over to him and a tape marker is visible on the floor where tony was stood. It's green by the white cabinet. (00:17:50)
Continuity mistake: Episode "Heartland": In the first five minutes of the show, after the guys are beaten up in the alley, when the black guy is laid down on the ground there is a blood stain on The Wall, behind where he was standing. When the other guys go to the white guy's aid the blood stain is gone, for about 3-4 shots. When the NCIS team is there gathering evidence the blood is back on The Wall.
Agent Afloat - S6-E2
Continuity mistake: After Abby confirms it's snot, the screen loads up a picture. However this image isn't on the screen a second later. (00:20:30)
Continuity mistake: Vance checks on Langer's pulse and uses 4 fingers. Camera changes and he is using 2. (00:37:20)
Revealing mistake: Agent Lang takes a picture of a debit card inside the first victims car which is a clearly prop. The name is "Jane Doe", and the card number is 1234-5678-9101-1112. (00:05:40)
Visible crew/equipment: When McGee asks Abby for the next batch, she turns around and a yellow tape marker is visible on the floor. (00:52:00)
Visible crew/equipment: When Abby drops the CDs there is a yellow tape marker by one of the cases. (00:52:00)
About Face - S5-E17
Continuity mistake: When McGee is walking up the steps to the body, he is holding his camera with his left hand in one shot and then the banister in the next. (00:03:15)
In the Zone - S5-E15
Continuity mistake: McGee is looking at a report at the end and we see the page he is looking at has a few lines of text. Nothing much. Camera cuts to a close up of the report and the page is completely different. (00:38:40)
In the Zone - S5-E15
Continuity mistake: At the end, Gibbs gives Ziva a file and she takes it in one hand. Camera does an instant cut and she now has the file open in her hands and a couple of pages in. (00:38:30)
In the Zone - S5-E15
Continuity mistake: When in the square Tony's ID goes from being caught up on his jacket to hanging neatly depending on the shot. (00:16:20)
Continuity mistake: When Vance is packing up to leave at the end of the episode, he opens a red folder on his desk. When Jenny enters the office a moment later, the folder is instantly on top of Vance's briefcase. (00:41:45)
Continuity mistake: Just as Vance says about Abby being smarter than Fornell gives her credit for, he is holding his toothpick. Camera cuts and he is no longer holding it. (00:22:15)
Continuity mistake: Ziva is tasked to go outside to the FBI car and she goes upstairs passing a wooden support. Camera cuts and she passes the support again. (00:20:35)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.