Field Sobriety Tests

When you drink alcohol, it can slow down certain processes in your brain, making you lose coordination, balance, and rational thought. This can translate to weaving, running red lights, and other types of unsafe driving. If law enforcement officials spot you driving like this, you can be pulled over and subjected to a field sobriety test.

Frustratingly, these field sobriety tests are subjective, meaning that the police judge your performance and decide if you are above the legal blood alcohol limit. This can lead to DWI or DUI charges even if you do not have a blood alcohol content, or BAC, over the legal limit. If you have been wrongfully accused of drunk driving, you should fight back. Contact an experienced Dallas criminal defense lawyer from the Law Offices of Mark T. Lassiter today at (214) 845-7007.

Types of Field Sobriety Tests

There are several different field sobriety tests that are standard for law enforcement officials. However, there are also some non-standardized tests that officers also use to estimate BAC. Conventional field sobriety tests include:

  • Walk and turn – take several heel-to-toe steps forward, then turn and walk back the same way, all while counting your steps
  • One-legged stand – try to hold your balance while standing on one leg and counting, usually to 30
  • Horizontal gaze – also called the nystagmus test, you attempt to follow a moving object back and forth using only your eyes

Because there is no empirical data for these tests, law enforcement officials use their judgment to estimate BAC rather than measuring a person’s actual BAC level.

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Sometimes, law enforcement officials can make these field sobriety tests unreasonable for citizens. This can inhibit your ability to perform these tests. If you believe that you have been wrongfully charged with a DUI or DWI due to unreasonable field sobriety testing, you should contact a tenacious Dallas criminal defense attorney from the Law Offices of Mark T. Lassiter at (214) 845-7007 today.

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