Visible crew/equipment: While Gibbs flips the pages of the court records from Stewart's case, when he sees the photos he rushes off to the lab, and in the wide shot two green T-marks are visible on the floor, in front of his desk. (00:42:50)
Visible crew/equipment: When Gibbs brings the pizza to Tony at the jail, in the wide shot just as Tony walks over to Gibbs, a crew member wearing white shorts is visible behind Gibbs, on the right side of the screen (where another camera is located). (00:22:55)
Continuity mistake: In the scene where Chip first brings the evidence to Abby (after getting it from Mr. Palmer), in one shot, her spiderweb tattoo is on the right side of her neck, and Chip is standing to her right. In the next shot, her tattoo is on the left side of her neck, as it normally is, and Chip is standing to her left. (00:08:20)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.