The postal worker at the beginning is clearly not typing in the zip codes that show up on the monitor.
When Fox is priming to take a picture of the dead mechanic, the close up of his neck shows his vein pulsing in a regular rhythm.
When Mulder crouches by the side of a police car to avoid being shot by the man in the tower, there is another cop crouched on the opposite side of the same car - directly in the sight of the shooter.
In one of the police car scenes, a Canadian flag is flying from a flagpole.
There are no private postal employees in the United States. They are all civil service workers who are hired and employed by the US Postal Service.
This means that they cannot be "laid off" in the manner shown on the series. In fact, they have employment protections that exceed those of private employees who are working under employment contracts. Even budget cutbacks would not result in layoffs as much as they would mean that services would be trimmed.
Failing gross incompetence or criminal allegations or convictions, postal service employment is essentially life employment.
This means that they cannot be "laid off" in the manner shown on the series. In fact, they have employment protections that exceed those of private employees who are working under employment contracts. Even budget cutbacks would not result in layoffs as much as they would mean that services would be trimmed.
Failing gross incompetence or criminal allegations or convictions, postal service employment is essentially life employment.