ST PAUL, Minn. — The Minnesota Bureau of Criminal Apprehension (BCA) says evidentiary breath test results involving the DataMaster were accurate.

Earlier this month , BCA Superintendent Drew Evans said the agency discovered information from five DataMaster breath testing instruments may have been entered incorrectly into law enforcement systems across Hennepin, Aitkin, Olmsted, Winona and Chippewa Counties that could impact 275 DWI cases. Evans said the BCA was first made aware of potential errors on Sept. 12, later prompting a statewide inspection.

In an update Friday, officials said BCA lab scientists conducted a mathematical recalculation of all identified tests using the correct alcohol concentration of the installed cylinder, determining the control tests were successful and within

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