Tex. Code Crim. Proc. art. 36.05
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
Witnesses under rule shall be attended by an officer, and all their reasonable wants provided for, unless the court, in its discretion, directs that they be allowed to go at large; but in no case where the witnesses are under rule shall they be allowed to hear any testimony in the case.
Tex. Code Crim. Proc. § 36.05