A) At the Canadian / American physical border crossing, you get mostly Canadians and Americans, not other nationalities. B) A lone Jamaican, with a car full of

A) At the Canadian / American physical border crossing, you get mostly Canadians and Americans, not other nationalities. B) A lone Jamaican, with a car full of luggage C) No travel reservations D) Jamaica is a poor country, likely higher rates of immigration issues. These are red flags. The 'border game' is a game of probabilities.