The Presumptive BAC Limit for Impairment in Florida Is 0.08% — What Every Driver Should Know When a Florida traffic officer suspects a driver of being under the influence of alcohol, the decision to arrest or release doesn’t come down...

How Persons Arrested for DWI Are Identified — The Science Behind Standardized Field Sobriety Tests When a police officer pulls over a driver they suspect has been drinking, the next few minutes often follow a very specific, carefully designed script....

What Low Concentrations of Alcohol in the Range of 0.03% to 0.05% BAC Mean for Drivers — and How SFSTs Catch Impairment at the Roadside Most people assume that a DUI stop only happens to someone who is obviously drunk....

How the NHTSA Field Sobriety Test Battery Became the Standard for DWI Detection Every time a police officer asks a driver to walk a straight line or follow a penlight with their eyes, they are using a method that was...