(a) The voters of Nueces County elect a district attorney for the 105th Judicial District who has the same powers and duties as other district attorneys and serves all the district, county, and justice courts of Nueces County.
(b) The district attorney shall attend each term and session of the district, county, and justice courts of Nueces County and shall represent the state in criminal cases pending in those courts. The district attorney has control of any case heard on petition of writ of habeas corpus before any district or inferior court in the district.
(c) The commissioners court of Nueces County may supplement the state salary of the district attorney. The amount of the supplement may not exceed $12,000 a year. The supplemental salary may be paid from the officers' salary fund of the county. If that fund is inadequate, the commissioners court may transfer the necessary funds from the general fund of the county.