Forced Entry - S2-E9
Continuity mistake: At the start, Tony is holding a cup of coffee in his right hand. Camera cuts to an overhead shot, and now it's in his left hand. (00:02:10)
Heart Break - S2-E8
Continuity mistake: When Tony is smoking, he raises the matches to next to the cigarette. Camera cuts and they are nowhere to be seen. (00:36:00)
Heart Break - S2-E8
Continuity mistake: When Abby is talking about SHC with Gibbs she is holding a drink with 2 hands. Camera cuts and now it's just one hand. (00:07:50)
Continuity mistake: When Gibbs shows Cpl Yost the tape in the interview room, he is burning a match down to his fingers. Camera shows a closeup of the head of the match being extinguished, but it is just the head that is alight. It is not burnt to his fingers. It also goes from horizontal to vertical. (00:36:50)
Continuity mistake: When DiNozzo is woken up, the cover falls off his shoulder. Camera cuts and it's back on. (00:24:25)
Continuity mistake: The security guard at the start goes to grab his gun and keeps his hand on his holstered weapon. When Gibbs gives the OK, he now has a handheld metal detector in his hand. In the shot showing Gibbs we can see the guard and he doesn't move. (00:00:35)
Continuity mistake: When Gibbs is making the phone call to (presumably) the press, he is holding the receiver in his hand. Camera cuts and now his hands are on the desk. (00:31:50)
Continuity mistake: When McGee turns up at the house, Dinozzo puts his hand on McGee's shoulder. Camera cuts and it's no longer there. (00:26:30)
Continuity mistake: When Gibbs catches McGee playing games on the MTAC system, McGee's microphone is down by his mouth. Camera cuts and it's up out of the way, instantly. (00:18:30)
Continuity mistake: When Gibbs is walking away from the FBI agent at the start, he is approaching a tree. As the camera changes he is way past the tree. (00:04:50)
Continuity mistake: When Gibbs is leaning on the desk talking about the beetle, he has his legs apart. Camera cuts and they are crossed. (00:17:20)
See No Evil - S2-E1
Revealing mistake: When the team speed into the lot at the end, tyre marks are visible on the ground from previous takes. (00:34:40)
Bikini Wax - S2-E18
Continuity mistake: When Gibbs shows his identification to Jonathan Redding's supervisor, he holds the badge from the top of the wallet, then at the bottom, then back at the top. (00:26:40)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.