Overview
- The BCA said 161 additional tests tied to a Blue Earth County instrument are under scrutiny, pushing the statewide tally to at least 447.
- Sauk Centre and Chisholm were added to the jurisdictions under review, with officials describing limited errors linked to control-gas entries.
- Investigators link the problem to incorrect or missing dry-gas cylinder data on DMT machines, and they have halted officer cylinder changes while securing cylinder compartments and updating maintenance procedures.
- Prosecutors are conducting case-by-case reviews, with Hennepin County weighing nearly 40 tests and Winona County expecting dismissals or vacated convictions in 39 cases.
- The Attorney General’s office has supported at least 11 driver’s license reinstatements in Aitkin and Olmsted counties, and defense attorneys note that flawed control data does not guarantee overturned convictions.