Two people can drink the same amount of alcohol at the same time and still show very different readings on a breath test.

SALEM — Just weeks after a judge again suspended the use of breath test results in drunken driving trials in Massachusetts over concerns that state officials had not notified prosecutors or lawyers of ...

CHARLOTTE, Mich. (WLNS) – A judge in Eaton County has dismissed the charges against one of the men accused of crimes, including forgery, related to police breath-alcohol testing machines. Andrew Clark ...

The Minnesota Bureau of Criminal Apprehension shared that a key piece of equipment used in alcohol detecting machines (DMT) was “installed incorrectly” by local law enforcement in three counties.

WASHINGTON (AP) -- For nearly two months, D.C. police have been working with only one of eight breath-test machines used to measure the blood-alcohol content of suspected drunken drivers.