Last month, prosecutors in certain Massachusetts counties suspended the use of Breathalyzer test results in OUI cases. Meanwhile, the State Police reviewed whether the test procedures were reliable. In March, prosecutors were told about concerns with the tests, which caused a number of attorneys to look at older cases to see whether there were Breathalyzer test results with issues.
A spokesperson for the Executive Office of Public Safety and Security stated that when properly maintained, the breath test instrument is one of the most accurate tools available to identify drunk drivers. However, the district attorney for Middlesex County claimed that the issue was the calibration of Breathalyzers, and her staff was temporarily ordered to stop using test results in cases. Similarly, the Cape and Islands district attorney issued an order not to introduce the breath test in any case until further information is obtained. One official initially claimed that 69 out of 6,000 tests administered throughout the state were involved.
At the end of April, the Public Safety Secretary Daniel Bennett announced that only a small number of 39,000 breath analysis tests were flawed because police officers had made mistakes calibrating the machines. He claimed the tests themselves were not malfunctioning.
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