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
Revealing mistake: When the NCIS team were directed to the first video, McGee states that they were the first to view the video, however, the view counter on the video said 531,817 views. (00:06:40 - 00:07:15)
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.