
Continuity mistake: Ziva is tasked to go outside to the FBI car and she goes upstairs passing a wooden support. Camera cuts and she passes the support again. (00:20:35)

Visible crew/equipment: At the very start, as Tony walks past Ziva, a green tape marker is visible on the floor by her. (00:00:10)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.