In the Dark - S4-E22
Continuity mistake: When Ducky finds agent Lee's bra, he has some sticky labels in his hand in one shot and not in the next. (00:08:15)
In the Dark - S4-E22
Continuity mistake: Don gets a folder out of the bottom draw of his desk, camera changes and he's closing the top drawer. (00:13:15)
In the Dark - S4-E22
Continuity mistake: Don explains what the investigation is about, and while doing so he has his hands clasped together. Camera changes and they are spread apart. (00:13:20)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.