During the car ride with Parker and Gibbs, Lemere's seat belt is buckled in some shots, and unbuckled in other shots.
Gibbs shows McGee a revolver in his belt, but when he pulls it, it is a 1911 semi-auto. Smashed side window on black SUV broken spider lines appear and disappear in succeeding shots.
McGee claims that all is needed to access the server room is anybody with an employee access card. In fact, according to security access control principles, the only people allowed into a sensitive part of a company like the server room, are those who have a pressing need to enter the room like Informational Technology or IT personnel.
McGee and Torres interview Eberhart, hoping to get access to her company's files. They present her with a document from her company's files, so they must already have had access to them.
While in the car transporting Lemere, Gibbs does not wear his seat belt..
When Jimmy is sat, feeling unwell, he shines a light into his own eyes. Without a mirror, he can't check his own pupils.