Murder 2.0 - S6-E6
Continuity mistake: At the end, McGee has his headphones in both ears. Camera changes and now 1 earphone is out. (00:40:20)
Murder 2.0 - S6-E6
Continuity mistake: When NCIS catches the killer, the way he holds a dead man's switch changes. In some shots, he holds it with all five fingers, and in others he holds it with his middle two fingers and thumb, with his index and pinkie fingers extended. (00:39:45)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.