Doubts about the reliability of a breath-alcohol tester have undermined drunken driving prosecutions in Ohio and other states, four years after Ohio bought hundreds of the machines on the ...

A defense attorney blitz attacking the reliability of the county's blood-alcohol testing machines has failed, with a panel of seven county judges all ruling that the machine is an approved instrument ...

The breath alcohol tester is an electronic device used to test the blood alcohol content (BAC) in a person’s blood stream. When an intoxicated person blows on the sensor, the alcohol is absorbed into ...