Honest question.
Why do they put you through a field test? Seems like they always make the person blow, whether they past or not.
The field sobriety tests are all attention divided tests. A person in a normal condition can do multiple things at once, like "stand with your feet together and arms down to your side and listen to the instructions". A person who is impaired the it is brain typically focuses on one thing, therefore it is hard to pass those tests impaired.
I do believe the breathalyzers are not allowed in court,they are just part of the whole process. The blood tests at hospitals and intoxilyzer machine at most police departments are the final key to the puzzle.
That's just a quick complicated answer.
