Hundreds of DWI Cases in Doubt Statewide
The Minnesota Bureau of Criminal Apprehension requires law enforcement agencies to verify breathalyzer accuracy due to calibration errors.
A discovery in Aitkin County, made by defense attorney Chuck Ramsay, found an officer failed to properly calibrate a DataMaster machine, despite documentation claiming otherwise.
This led to the dismissal of several DWI cases and the invalidation of 73 breath tests, rendering hundreds of DWI breath tests inadmissible in court.
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Author summary: Calibration errors render DWI breath tests inadmissible.