X. One Witness Sufficient (Opinion Testimony)

Dumas v. State, 812 S.W.2d 611 (Tex.App.-Dallas 1991, pet. ref’d).

Valles v. State, 817 S.W.2d 138 (Tex.App.-EI Paso 1991, no pet.).

Irion v. State, 703 S.W.2d 362 (Tex.App.-Austin 1986, no pet.).

Testimony of arresting officer alone = sufficient to convict DWI.