Alcohol breath tests, a linchpin of the criminal justice system, are often unreliable, a New York Times investigation found.
On November 3, 2019, the New York Times ran a piece about the unreliable nature of alcohol breath testing machines. The results these machines generate are routinely admitted into evidence in California, even when the individual who administered the test is no longer employed by the testing agency, and is unavailable for cross-examination. Here is a link to the article itself:
https://www.nytimes.com/2019/11/03/business/drunk-driving-breathalyzer.html?ref=oembed