For any lawful contact stop, detention or arrest made by a law enforcement official or a law enforcement agency of this state or a law enforcement official or a law enforcement agency of a county, city, town or other political subdivision of this state in the enforcement of any other law or ordinance of a county, city or town or this state where reasonable suspicion exists that the person is an alien who and is unlawfully present in the United States,
--------------------------------------------------------------------------
in other words, you are stopped at a sobriety checkpoint (lawful stop), you say: "good evening officer" -in your thick Russian accent- thus giving the police officer reasonable suspicion to haul you in for questioning.