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)
Answer: I hadn't seen the backdoor pilots yet but while it wasn't explicitly stated, at least onscreen, I heard somewhere Vivian got either fired from NCIS due to jeopardizing a case, got resigned from the agency, or transferred to the FBI.
Raykvega423