Which country is the border prosecutor from?

United States. "Border Prosecutor" is called "Border Officer" on Steam. It is a simulation strategy management game produced by Cocopo. In the game, the player is a complete American loser who gets a job as an immigration officer. At work, we conduct inquiries and inspections on foreigners who apply for entry, and decide whether to stamp the passport documents based on the actual situation, so the "Border Prosecutor" is the United States.