After the Minnesota Bureau of Criminal Apprehension became aware of DWI testing instruments giving incorrect information, it has asked that law enforcement agencies around the state inspect their devices.

Two DataMaster DMT instruments, which measure breath alcohol levels, were discovered on Friday to have data entry errors that are related to gas cylinder installation on the devices. Those two devices with errors were in Olmsted County, potentially affecting 108 cases, and in Hennepin County, potentially affecting 38 cases, according to a news release from the BCA on Friday night.

Earlier, the BCA found errors in Aitkin, Winona and Chippewa counties.

The BCA is requiring local law enforcement agencies to “immediately review and verify dry gas cylinder data has been entered correctly in

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