Continuity mistake: When Tony and Ziva discover the hiding place of Amanda, the position of the dead body's extended hand and the puddle of blood change. (00:13:40)
Continuity mistake: In the scene where Tony and Ziva discover the dead body in Amanda's hiding place the dead body's extended arm is lying on the rug on the floor, and is left that way when Gibbs tell them to leave, yet in the next scene when Ducky shows Gibbs a picture of the dead body, the rug beneath the extended arm has disappeared. (00:13:45)
Continuity mistake: During the scene where Lee is being guarded by Tim and Tiny in the conference room, the coffee pots, stir sticks, cups and sugar bowls behind Lee change positions throughout the scene. (00:17:00)
Broken Bird - S6-E13
Continuity mistake: When the sailor is stabbed, the blade is pulled out and discarded and is clean. When he collapses a few seconds later the blade is blood stained. (00:01:00)
Broken Bird - S6-E13
Continuity mistake: The dropped knife points away from the victim in one shot and towards the victim in another. (00:01:10 - 00:03:10)
Broken Bird - S6-E13
Continuity mistake: The amount of blood on the blade changes from when the sailor collapses and when the team photographs it. (00:01:10 - 00:03:10)
Broken Bird - S6-E13
Continuity mistake: When the sailor collapses he falls away from the round manhole cover. When the body is photographed by the NCIS team, he is in the middle of the cover. (00:03:10)
Broken Bird - S6-E13
Continuity mistake: When the woman picks the knife up, the evidence marker has moved closer to the knife, and the scale marker has moved next to the congealed blood. (00:03:10 - 00:06:20)
Broken Bird - S6-E13
Continuity mistake: When the knife is photographed the blood is dry and patchy on the blade. When the woman picks it up to stab Ducky, the blood is fresh and uniform. (00:03:10 - 00:06:30)
Broken Bird - S6-E13
Continuity mistake: When Ziva is photographing the sailor, the body moves between shots. Note his hand in relation to the red bricks in the floor pattern. (00:03:20)
Deliverance - S6-E15
Continuity mistake: When Tony is at Gibbs' desk, his pen moves between hands instantly. (00:06:20)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.