If you have been arrested for DWI, you may hear terms like Standardized Field Sobriety Tests, Horizontal Gaze Nystagmus Tests, or Vertical Gaze Nystagmus Tests. HGN and VGN are similar but they are not equally reliable. In most cases, the VGN should be suppressed and found to be inadmissible. This article explains why VGN evidence... Read more
Vertical Gaze Nystagmus (VGN) in Texas DWI Cases: What You Should Know
If you have been arrested for DWI, you may hear terms like Standardized Field Sobriety Tests, Horizontal Gaze Nystagmus Tests, or Vertical Gaze Nystagmus Tests. HGN and VGN are similar but they are not equally reliable. In most cases, the VGN should be suppressed and found to be inadmissible. This article explains why VGN evidence... Read more
