Revealing mistake: When Ziva wakes up and has the sheet stuck to her face, Tony pulls it off. When he does you can see the glue patch on the page used to stick it to Ziva's face. (00:02:00)
Continuity mistake: When Mike is talking to Gibbs in his house, he has a bottle of scotch on the table. A few shots later, without it being touched, the scotch is now on the paper. (00:14:15)
Revealing mistake: At the end Gibbs puts the handcuffs on the bad guy and they walk off. However look carefully to see the bad guy is just holding the cuffs and they're not applied. (00:40:05)
Continuity mistake: When Shada Shakarji sits down at the end she has one hand open palmed on her chest near her shoulder. Camera changes and both hands are in her lap. (00:40:45)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.