If you’re on trial for DUI in Virginia, you should know how the preliminary breath test (PBT) must be checked for accuracy and calibrated. If that device can’t be proven to be in proper working order, it shouldn’t be allowed into evidence at trial. Video: What is a Preliminary Breath Test (PBT)? It’s the box […]
The post What Is A Preliminary Breath Test and How Is It Calibrated for Accuracy? appeared first on Andrew Flusche.