Visible crew/equipment: At the very start, when the NCIS agent stops at the mail box, there is a reflection of someone moving once he has stopped. There is no-one else in the area, meaning it's one of the crew. (00:00:05)
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)
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: 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: When Gibbs sits down to interview Noah, a red tape marker can be seen on the floor. (00:27:40)
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: When interviewing the DEA agent, there is a green reflection and a tripod stand reflected in her glasses. (00:11:40)
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: 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 Gibbs walks into the interrogation room for the first time, the camera pans around and the top part of it can briefly be seen reflected in the mirror between the suspect and Gibbs. (00:33:40)
Visible crew/equipment: As Ziva runs into the hotel worker in the lobby, a boom mic drops into view very quickly. (00:13:39)
Visible crew/equipment: As Gibbs introduces himself to DiNozzo Snr, the edge of a camera can briefly be seen in the mirror behind them on the right hand side of the screen. (00:14:45)
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 Gibbs and MaGee are reviewing Parsons' military record, the boom mic is reflected in the TV screen.
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)
Borderland - S7-E22
Visible crew/equipment: When the kid asks if crushing a car hurts, you can see the film crew reflected in his glasses. (00:00:55)
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: 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)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.