Visible crew/equipment: When Gibbs finds out that Otto has been found dead, he looks at Leona. In Leona's glasses you can see the reflection of the filming crew. (00:30:50)
Visible crew/equipment: When Gibbs and Ziva are in the "safehouse" Ziva set up for Ari, a crew member and his boom microphone are seen on the left of the screen, right before Gibbs climbs the ladder to remove the hidden camera spying on them. (00:30:10)
Silver War - S3-E4
Visible crew/equipment: When in Ducky and Jimmy are in autopsy alone, there is a cameraman in the reflection of the body cooler wall. (00:18:15)
Visible crew/equipment: In the scene where Tony approaches the Mallard residence by car for the first time, there is a stage light, complete with filter(?) on the balcony. (00:13:50)
Visible crew/equipment: When the voice activated 4x4 is driving back, you can see the camera's shadow reflected onto the tyre in the close ups of it. (00:00:40)
Visible crew/equipment: While Gibbs is with Abby in the lab when she mentions her dissection of the laptop, in the overhead shot as Abby says, "since it came in here, Gibbs," the moving wheel of the camera dolly is visible at the bottom, right corner of the screen. (00:09:35)
Visible crew/equipment: While Ducky starts to tell Jimmy about an English earl, when Gibbs walks into Autopsy, the reflection of crew members are visible on the steel door's surface. (00:08:35)
Visible crew/equipment: When the "militia" guy fires the MP5 at the mannequin, after the last closeup of that mannequin it then cuts to a long shot facing the militia members, Gibbs, and Stone, and two crew members (one in shorts and the other wearing jeans) are visible at the top right side of the screen. (00:38:15)
Visible crew/equipment: When Tony tries to buy the sword for $500 the saleswoman walks away, and as he agrees to $600 in a following shot, the blue T-mark is visible on the floor. (00:23:10)
Visible crew/equipment: When they arrive at the funeral, a crew member is seen in Gibbs' car's paintwork. (00:35:30)
Visible crew/equipment: At the start of the sexual harassment class, when Tracy Taylor explains, "A coworker shows you a cartoon or photo of a sexual nature," we can see three orange T-marks taped to the floor near her. (00:02:55)
Visible crew/equipment: When Abby is going through the garbage to disprove Tim's sister you can see a crew member's foot in the screen- it's a brown boot.
Marine Down - S1-E9
Visible crew/equipment: In the final scene, the camera, crew and light panels are briefly captured reflected in the door of the silver sports car when Gibbs gets in. (00:43:00)
Visible crew/equipment: In one of the first episodes (2nd or 3rd) of Season 1, in an interrogation room scene, the camera pans around the table, and a crew member is visible in the far wall mirror, standing beside the camera in front of Gibbs.
Visible crew/equipment: While at Gitmo, Sergeant Spooner is attacked by a detainee, and when Tony joins in the tussle the gun is fired. It then cuts to the tented Global Courier van, and the pink tape mark is visible on the ground behind the van. (00:35:50)
Visible crew/equipment: At the tuxedo shop, after Tim's phone conversation with Delilah, when Ellie says, "I guess that's that, hey decision made," in the next shot facing Tim (he's standing in front of a trifold mirror), the reflection of the boom mic is visible at the top, right corner of the screen. (00:01:55)
Visible crew/equipment: While Gibbs and Alex are in the stateroom with Kasey and Curt, when Kasey tells them about the polyps on her vocal chords, the microphone can be seen hovering in front of Kasey, at the bottom of the screen. (00:28:45)
Visible crew/equipment: After Gibbs refuses to make a deal with Triff, just as Gibbs and McGee exit the prison's visitor cell, the shadow of the boom operator holding the boom pole/mic can be seen on the walls behind them. (00:32:30)
Visible crew/equipment: When the couple walk into the convenience store the man leads the blindfolded woman, and when they stop in front of the display coolers, their two yellow and orange tape marks are visible on the floor in this shot (the tape marks are gone in the following overhead shot). (00:10:00)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.