Continuity mistake: When Tony and Abby determine where the car holding Lt. Cmdr Wilkerson hit a pair of railroad tracks, Tony has a napkin tucked into his shirt like a bib. In the next shot, the napkin has disappeared from his shirt, and he is holding it in his hand instead. (00:25:10)
Continuity mistake: When NCIS is staking out the grocery store in Koreatown and they see Lee Sung answer the phone, the phone instantly switches hands, and the hand that was holding the phone inexplicably appears on top of the phone frame. (00:27:20)
Under Covers - S3-E8
Continuity mistake: When Jenny joins Gibbs and Fornell in MTAC, she puts on a headset and lowers the microphone. In the next shot, she secures the headset and lowers the microphone a second time. (00:28:45)
Continuity mistake: When Gibbs is outside Jenny's house and calls her land line, the folder on her lap is closed, then open, then closed again, without her touching it. (00:23:55)
Continuity mistake: 6.17 - South by Southwest. The first time Tony is talking on the phone to London about his uncle's estate, he is alternately either talking on his cellphone or office phone throughout the conversation. (00:06:15)
Continuity mistake: When Gibbs comes into Abbie's lab, she hands him a blue Fufu drink, it starts in her left hand, at the cut it jumps to her right hand. (00:07:50)
Continuity mistake: When Abby and Gibbs determine that the ambulance exploding wasn't an accident, McGee is visible next to Gibbs. He then mysteriously disappears, and a moment later, walks around the ambulance carrying an evidence baggy. (00:08:15)
Continuity mistake: Episode "Heartland": In the first five minutes of the show, after the guys are beaten up in the alley, when the black guy is laid down on the ground there is a blood stain on The Wall, behind where he was standing. When the other guys go to the white guy's aid the blood stain is gone, for about 3-4 shots. When the NCIS team is there gathering evidence the blood is back on The Wall.
Continuity mistake: While Franks and Gibbs are talking in the diner, Franks' hair goes from being swept back to hanging over his forehead throughout the scene.
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.