When Van is following Frank and Sarah, rams their car, they drive off the road, Sarah's seat belt is unbuckled, buckled, unbuckled, and then buckled again.
During the phone calls that take place at 45:30 and 46:46, the camera, boom, mic, and boom operator are all visible in the stainless steel orb on Martin's desk. At the beginning of the 46:46 phone call, you can see the boom operator tracking Martin as he moves to his chair. He then lowers the mic as Martin begins his dialog.
Firearms Protocol: At 0:48:40, Sarah, while saying "... I'm a pro", has her finger in the trigger guard and points the pistol at Price. Neither of them have hearing protection.