An experienced Fort Worth DWI lawyer can explain that a standard field sobriety test often consists of the three following parts:
Horizontal Gaze Nystagmus
A Fort Worth DWI lawyer can explain that this test checks for involuntary eye movements associated with intoxication. The test consists of a preliminary check of the eye to see if the person is a good candidate (equal tracking and pupil size). If a good candidate, then the tests consists of 3 parts (each indicating a higher level of intoxication): 1. Lack of Smooth Pursuit, 2. Distinct & Sustained Nystagmus at Maximum Deviation, and 3. Onset Prior to 45 Degrees. Our Fort Worth DWI lawyer has the experience to know if these tests were done properly. Officers are looking at 6 possible clues (4/6 being a failed score)
Walk and Turn
This part of the test checks for a person’s ability to complete tasks that would be easier for a person to complete if sober. Law enforcement officers look for any indication that the person may be intoxicated, such as stumbling or failing to follow directions. Law enforcement is looking at 8 potential clues on this test (2/8 indicating a failed score).
A Fort Worth DWI lawyer can explain that this test consists of a person holding one foot off the ground while maintaining balance. Officers are looking for 4 clues on this test (2/4 being a failed score).