In Kotov's surgery scene, the surgical team are all holding instruments in the close-up, and at the cut to the medium shot, their hands are empty.
During the gun battle, when the special unit's SUVs drive into the scene with Doug Savant and Vincent Spano, their vehicles are moving at a crawl in the wide shot, and after the cut to the medium shot are instantaneously moving at a high rate of speed.
When Nick (Andrew Keegan) shoots Dimitri, Dimitri falls onto the concrete garage floor. In the next shot, Dimitri is laying (in the same exact position) on a piece of bloody white plastic.
When Kotov is having open-chest surgery, he is not wearing an anesthesia mask or a breathing tube, and is not intubated.
During the gun battle, Special Agent Thomas shoots the second terrorist in the head and the terrorist's expression changes after he has been killed.
When we first see Tariq, the camera and boom microphone are reflected in the side window as he gets out of his van.
During Kotov's surgery scene, Special Agent Singleton is walking around the sterile area of a huge Los Angeles' surgical suites with a t-shirt, no mask, no scrubs, and carrying a pistol. He could have never gotten that far in a modern city hospital.