DETROIT – The Michigan State Police director testified Thursday in Lansing about the department’s investigation into discrepancies with breathalyzer testing. Police are taking all 203 Datamaster DMT evidential breath alcohol testing instruments out of service until police can inspect them and make sure each device is properly calibrated. April 2019 -- MSP put additional workflow requirements in place with the vendor to ensure compliance with state law and administrative rules and move toward accreditation. Aug. 21, 2019 -- MSP received a corrective action plan from Intoximeters that outlined their action plan to correct the contractual failures. Aug. 23, 2019 -- An Intoximeters technician committed a serious error that resulted in the dismissal of an OWI case in Montcalm County.