Continuity mistake: When Tony shows Chandler's boarding pass to McGee for photo evidence, Tony's hand moves from holding the upper edge to the lower edge. (00:04:15)
Continuity mistake: When Gibbs is on the phone with DiNizzo, Tony's phone jumps from his right hand/ear to his left between shots. (00:05:35)
Continuity mistake: At the end, when Jackson holds out the key to the Dodge Challenger, in the closeup the key case has its snap closure face up with the key facing Gibbs, but next shot the key case is upside down with the key facing Jackson. (00:40:25)
Continuity mistake: When Gibbs and his father drive up to Winslow's house, in the shot facing Jackson he holds out the bottle of Kentucky bourbon with his left hand, but in the next shot facing Gibbs it's held out in Jackson's right hand, then it's back in his left hand. (00:18:45)
Continuity mistake: After Senator Kiley asks Gibbs to keep his name out of it until after the vote, it cuts to Ziva holding Carrie McLellan's Academy graduation photo (gold frame looks like an 8x10). In the closeup Ziva places the framed photo back on the shelf, but that photo vanishes from the shelf in following shots. When Gibbs walks in, it seems that photo is on the table beside the couch. (00:07:30)
Agent Afloat - S6-E2
Continuity mistake: After Vance tells Gibbs to pack a bag because he'll be joining Tony in Cartagena, when it cuts to McGee he places his brown paper bag on the desk with the folded flap facing away from his keyboard, but next shot the bag faces the opposite way. (00:18:30)
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)
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)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.