Visible crew/equipment: At the very start, as Tony walks past Ziva, a green tape marker is visible on the floor by her. (00:00:10)
Lost & Found - S5-E9
Visible crew/equipment: When Gibbs and McGee are talking to the kid at the start there is a camera shot moving past an empty chair. In this shot a shadow can be seen moving over the chair. (00:04:00)
Visible crew/equipment: Tony closes the mirror in Michael's apartment, when he does a camera is briefly in shot. (00:09:15)
Visible crew/equipment: When Ducky comes in explaining how the victim has one more thing to say, a red tape marker is visible on the floor. (00:37:05)
Visible crew/equipment: Just as the blonde asks if she's needed to ID another photo, there is an overhead shot that includes the camera trolley wheel. (00:35:20)
Visible crew/equipment: When Tony is pacing after they find out Kamal's identity, there is a green tape marker visible on the floor. (00:32:00)
In the Dark - S4-E22
Visible crew/equipment: When Don explains how he was about to call NCIS, he leans over to get a folder out. When he does, the camera shadow can be seen moving along the back of his head. (00:13:50)
Visible crew/equipment: When the car pulls away from the airport at the start the crew are reflected in the paintwork. (00:00:40)
Cover Story - S4-E20
Visible crew/equipment: At the very start, as the fire truck pulls up you can see a crew member pushing a trolley with a camera on reflected in the paintwork. (00:00:05)
Visible crew/equipment: When Gibbs is on the phone with Sharif, Gibbs asks him, "Who were they? Wife? Family?" and just as he says the word "wife" we can see an actor's red tape mark on the floor at the corner of DiNozzo's desk, which wasn't there a minute earlier when McGee walked over to DiNozzo. (00:31:30 - 00:32:45)
Visible crew/equipment: When Gibbs is discussing Lt. Seabrook with Dr. Pike, just as Gibbs says, "Gonna need your security tapes and access logs that you keep, Doctor," the cameraman's reflection can be seen moving on the glass surface. (00:10:25)
Visible crew/equipment: When Gibbs tells Abby to run the print through the military database a tape marker is visible by his feet. (00:09:40)
Witch Hunt - S4-E6
Visible crew/equipment: Just as Abby identifies the John Doe, from the angle behind her there is a crewman in a red shirt in shot over her right shoulder. (00:34:50)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.