Visible crew/equipment: While Ellie and Nick are undercover they meet Donnie, and when Ellie walks behind the store's counter the yellow T-mark is visible on the floor. (00:16:30)
Visible crew/equipment: After McGee tells Gibbs that he overheard the mention of "Paraguay" during the private conversation between Ziva and Gibbs, when it cuts to the next shot just as Ducky joins Kasie in the lab, the orange tape mark and yellow T-mark are visible on the floor. (00:29:20)
Visible crew/equipment: When Gibbs and Ellie are at Demint's property gate his daughter drives up, and when Margot gets out of her car the two red and pink T-marks (plastic type) are visible on the ground by Ellie's feet. (00:12:45)
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