Almost all DUI investigations include having a California DUI suspect
perform various balance and coordination tests. These tests are
referred to as field sobriety tests or FST’s. The theory behind
these tests is that they test a person’s ability to divide
attention. Driving is portrayed as a divided attention
task. One has to both operate the automobile and also pay
attention to other cars, pedestrians, and traffic controls on the road. (more…)

When a California DUI suspect refuses to take a chemical test,
both the DUI defendant and the prosecution are presented
with challenges and opportunities. (more…)