A Man Walks Into a Bar... - S8-E14
Visible crew/equipment: While Gibbs and Tony are in the galley interrogating the two members of the crew because they worked closely with Commander Reynolds, when Gibbs asks them if the gun looks familia, the boom mic dips into view at the top of the screen. (00:32:40)
Visible crew/equipment: When Gibbs tells Gail Walsh that they're keeping Jerry at NCIS, Gail replies, "Only on the condition that you keep me apprised of any new information," and in the next shot from behind Gail, a crew member (presumably the boom operator) wearing a black shirt and white pants is visible at the left side of the screen. (00:25:10)
Visible crew/equipment: During the exterior scenes in Arizona, with Sheriff Boyd, Gibbs, and Tony, in some shots either a hidden lavalier microphone or transmitter is visible. One example, when Dina fires her weapon Gibbs dismounts his horse, and his hidden transmitter is briefly seen at his back. Another example, while Dina tells Gibbs and Tony that her doctor ran blood tests, Sheriff Boyd's mic is visible under his shirt by the buttons, and so on. (00:35:30)
Visible crew/equipment: When Gibbs informs Dina Risi of Patterson's death, it then cuts to Dina as she tells them she mixes her own pigments, and in the next shot facing Dina, the wheel base of filming equipment is visible on the right side of the screen (non-existent in overhead long shots). (00:36:05)
Jack Knife - S7-E15
Visible crew/equipment: When Ziva and Damon walk to the back of the truck, the trailer doors are opened to reveal cases of watermelons, and just as Ziva says, "Melons," the red tape mark is visible on the ground between her feet. (00:25:20)
Visible crew/equipment: When Vance and Gibbs are in MTAC discussing the Damocles and Ziva, Vance decides on doing the good cop bad cop, and in the next shot the tape mark is visible on the floor, as Vance and Gibbs head out. (00:05:30)
Visible crew/equipment: When Ducky tells Gibbs the deceased doesn't have enough of a liver to determine time of death, as they walk past the door we see reflections of two people other than Ducky and Gibbs. (00:19:10)
Visible crew/equipment: While Gibbs and Ziva are interviewing the teacher in the classroom at Quantico, in the wide shot facing Ziva as she confirms the number of students, there are two red tape marks on the floor beside the two back legs of her chair. (00:05:20)
Visible crew/equipment: When Gibbs tells the team to gear up because there's some kind of gas leak at Quantico, at the start of the first shot at the high school, the blue tape mark is visible on the floor between McGee's feet. (00:03:05)
Visible crew/equipment: When McGee tells Abby to show him what she's got, as they walk through the doorway the reflections of crew members are visible on the glass. (00:25:30)
Visible crew/equipment: When Tony opens the car door at police impound, McGee enters the car then starts to do his thing, and the camera's reflection is visible on the passenger window. (00:31:00)
Visible crew/equipment: After Abby tells Gibbs that she's safe and staying at the hospital to help, when it cuts to the trio reading about Afghanistan War Syndrome on the monitor, as soon as McGee starts to speak the boom mic dips into view at the top of the screen. (00:22:40)
Visible crew/equipment: While Tony and Renny are alone in Interrogation, in the closeup Renny explains he and Grady were friends, and he just wanted to find out why Grady testified against him. In the next overhead wide shot, the camera pans a bit too far to the right, so we can see the incomplete set wall on the right side of the screen (wall with the monitor). (00:09:00)
Visible crew/equipment: While Ziva and Tara are in the Conference Room, when Director Vance walks in Ziva stands up to leave, and the two yellow tape marks are visible on the floor, where Tara will soon stand. (00:20:50)
Visible crew/equipment: After Gibbs tells his team to go to Arnett's apartment, Ziva shares her opinion that Tony is more afraid of heights than Probalicious, then as McGee walks away some chalk T-marks are visible on the ground. (00:08:05)
Broken Bird - S6-E13
Visible crew/equipment: After McGee asks Tony why he's talking so fast Tony notes his internal Gibbs clock, and when he says, "Right now," the two red and green T-marks are visible on the floor, near McGee and Ziva. (00:22:35)
Visible crew/equipment: When Detective Kemp walks in and shows Quinn's sketch, Ziva says, "Looks like an older version of him," then as she points to the plasma screen, the boom mic dips into view at the top of the screen. (00:03:05)
Continuity mistake: At the end, when Jackson holds out the key to the Dodge Challenger, in the closeup the key case has its snap closure face up with the key facing Gibbs, but next shot the key case is upside down with the key facing Jackson. (00:40:25)
Visible crew/equipment: While McGee explains to Gibbs the problem with the security system, Ziva tells them the owner of the getaway car was 64 years old, and in this shot the white mat secured with blue gaffers tape is visible on the floor (non-existent in overhead wide shots). (00:09:30)
Continuity mistake: When Gibbs and his father drive up to Winslow's house, in the shot facing Jackson he holds out the bottle of Kentucky bourbon with his left hand, but in the next shot facing Gibbs it's held out in Jackson's right hand, then it's back in his left hand. (00:18:45)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.