Originally Posted by
parabellum
The thug who physically removed the Doctor from the flight was employed by the airport security services, he was an ex policeman and had history. He was not a serving police officer, nor was he a United Airlines employee.
Actually, all three of those guys are police officers with the Chicago Department of Aviation. They are required to stay proficient with firearms but aren't allowed to carry them. They are not part of the Chicago Police Department, maybe that's what got you confused.