Overview
- At a Friday briefing, Superintendent Drew Evans said BCA scientists mathematically verified the identified evidentiary breath samples and are prepared to testify to their accuracy.
- At least 447 cases were initially put into question statewide after cylinder installation or data-entry mistakes were discovered in September.
- The BCA says recalculations using the correct cylinder values showed control tests within acceptable margins, supporting the reliability of results.
- Over half of Minnesota’s DataMaster instruments have been verified and secured as of Friday as inspections and safeguards continue.
- Local case reviews are ongoing, with some charges dropped or licenses restored in counties including Aitkin and Olmsted, while defense attorneys who flagged the issue say they will keep challenging affected cases.