Hartsock v. State

OPINION

ANNE GARDNER, Justice.

I. Introduction

Appellant Debra Hartsock appeals from her conviction for driving while intoxicated. In her sole point, Appellant contends that the admission of a DVD — showing a person’s eyes with and without nystag-mus — as demonstrative evidence was reversible error because the State failed to establish the scientific reliability of the Horizontal Gaze Nystagmus (HGN) test performed on the DVD. We will affirm.

II. Background

Shortly before 2 p.m. on November 19, 2008, while driving northbound on Locust Street in Denton, Texas, Lawrence Gregg observed a Jeep…