Visible crew/equipment: Lighting equipment is reflected in the director's sunglasses when she tells Tony and Ziva that they can have the rest of the trip off at the funeral. (00:03:30)
Revealing mistake: When Tony takes the book off Ziva, look at the cover. It's upside down. (00:10:20)
Visible crew/equipment: Two crew members are visible on the right lens of Jenny's sunglasses just before she enters the deserted diner. (00:23:15)
Visible crew/equipment: When Vance enters the Annex to locate the old file, in the first overhead shot a green tape mark is visible on the floor, in front of Ziva and Tony. (00:32:45)
Visible crew/equipment: When Abby drops the CDs there is a yellow tape marker by one of the cases. (00:52:00)
Visible crew/equipment: When McGee asks Abby for the next batch, she turns around and a yellow tape marker is visible on the floor. (00:52:00)
Factual error: There is a big deal made about Gibbs giving Shepard one of his magazines in the study with La Granoille. It is implied that that magazine was used in the gun to kill La Granoille on his yacht. The magazine he gave her was for his department issued Sig Sauer P228, however, he was killed with a Glock 19. The magazines are not compatible.
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.