June 6, 2008

The Horizontal Gaze Nystagmus Test: fraudulent science in the American Courts. By JL Booker

by Collin, Dallas and Denton County DWI Lawyer Troy Burleson

If you have recently been charged with a Collin, Dallas or Denton County DWI and submitted to field sobriety tests then you NEED to read this article by JL Booker from the journal of Science and Justice Journal volume 44 pages 133-139 (18 June 2002) about the Horizontal Gaze Nystagmus Test (HGN).
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June 3, 2008

DWI Field Tests: Flaws of the HGN Test (aka the "eyes" test) by Collin County DWI lawyer Troy Burleson

by Collin, Dallas and Denton County DWI Attorney Troy Burleson

If you have been charged with a Collin, Dallas or Denton county DWI, chances are you were asked to do field tests by the officer who arrested you. I have given a general explanation of the field tests here before. However, some clients have asked to explain the “eyes test” or HGN test in further detail.

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May 26, 2008

DWI Field Sobriety Tests: How accurately do the SFSTs predict intoxication? by Collin County DWI lawyer Troy Burleson

by Collin, Dallas and Denton County DWI Attorney Troy Burleson

Law enforcement officers in all 50 states utilize Standardized filed sobriety tests (SFSTs) to determine the impairment of a person’s driving due to alcohol influence. The SFSTs are comprised of a battery of three tests: 1) Horizontal Gaze Nystagmus test (HGN), 2) Walk and Turn Test (WAT) and 3) One Leg Stand Test (OLS). For a more in-depth explanation of these SFSTs click here.

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March 6, 2008

DWI Detection: Collin County DWI: What do Officers look for when making an Arrest for DWI? by Collin County DWI lawyer Troy Burleson

by Collin County DWI lawyer Troy Burleson
A common question that I receive from potential DWI clients is, “what do police officers look for before making an arrest for DWI?” The best way to answer this question is to give a little explanation on who trains officers and how officers are trained. The National Highway Transportation Safety Administration (NHTSA) is in charge of training officers throughout Texas and all 50 states. Before an officer can become “certified” to perform a DWI investigation, he or she must complete a comprehensive course taught by NHTSA instructors and pass certain proficiency exams. If an officer completes the course and exams, he or she is then “certified” to perform a DWI investigation.

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