CONCORD — A state crime lab that certifies alcohol breath-testing equipment failed to use written protocols for more than two years, a judge ruled Thursday, opening the door for defendants to have the evidence in their cases thrown out.Judge Robert A. Brennan handed a partial victory to defendants seeking to exclude blood-alcohol readings from their drunk driving cases. Brennan found that the state failed to prove its method for calibrating breath testing machines prior to Sept. [...]
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