Visible crew/equipment: When Gibbs sits down to interview Noah, a red tape marker can be seen on the floor. (00:27:40)
Continuity mistake: The second time we see McGee bidding on clubs there is 1m 24s remaining. 3 seconds later he closes the window when Gibbs walks in, and there is 1m 24s still left. (00:21:00)
Continuity mistake: When Gibbs asks the kid where he got the gun, he has a notepad in his hand. Camera cuts and it's now a pen. (00:05:25)
Continuity mistake: When looking at the playboy magazine at the start, the pages change between shots. (00:01:50)
Continuity mistake: The bullet holes in the victim when he is in autopsy are different to when he was shot. (00:03:00 - 00:10:50)
Revealing mistake: At the crime scene we see Gibbs making notes on his notepad prior to Ducky calling him over. When he's looking at the business card you can see his notes in his notepad. However his notes are all just random lines and squiggles. It's not the case that he's made notes for himself in his own writing style. (00:04:00)
Deliverance - S6-E15
Audio problem: Tomas says it wasn't him on the roof, however his mouth isn't moving. (00:22:00)
Deliverance - S6-E15
Continuity mistake: When Tony is at Gibbs' desk, his pen moves between hands instantly. (00:06:20)
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)
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 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)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.