A company claims to have developed an accurate marijuana breathalyzer that could be used by law enforcement. Currently, there is no BAC equivalent for marijuana, which could be problematic when it ...

A breathalyzer can detect alcohol on the breath for up to 24 hours. However, the timeframe varies depending on the individual and the quantity of alcohol they consume. According to the National ...

Thousands of Breathalyzer tests are being tossed out of court after defense attorneys, on behalf of hundreds of clients, successfully challenged the reliability of results from Breathalyzer machines ...

The source code behind a police breathalyzer widely used in multiple states -- and millions of drunk driving arrests -- is under fire. It's the latest case of technology and the real world colliding - ...

It is not illegal to refuse a sobriety test, but by refusing to do it, that could lead to an arrest, said Lt. Brian Bossio, ...

Drivers in Tennessee who refuse a Breathalyzer or blood test will automatically lose their license for 18 months, under new ...