BCA Confirms Accuracy of Minnesota DWI Breath Tests After Review
SAINT PAUL, Minn. — The Minnesota Bureau of Criminal Apprehension (BCA) has verified that all evidentiary breath tests previously questioned due to operator data entry errors remain accurate. The issue stemmed from incorrect alcohol concentration values entered by some law enforcement operators when replacing dry gas cylinders used in the state’s DataMaster (DMT) breath-testing instruments. The mistakes raised concerns about the validity of several hundred DWI cases statewide. Following an internal review, BCA laboratory scientists recalculated each affected test using the correct cylinder values and confirmed that all control and breath tests fell within established accuracy margins. Notifications of the verified results are being sent to [...]








