i am familiar with a number of the security team personnel, so i can give you the inside perspective. the reaction you provoke at a border crossing, or an LEO

i am familiar with a number of the security team personnel, so i can give you the inside perspective. the reaction you provoke at a border crossing, or an LEO encounter is almost entirely based on what profile you fit. the vehicle, the state/contents of the vehicle, what you say, even how you move, are being evaluated for consistency with a profile.