The court of criminal appeals, the district courts, the county courts, or any judge of those courts may issue the writ of habeas corpus, and it is their duty, on proper application, to issue the writ under the rules prescribed by law.
Tex. Code Crim. Proc. art. 11.05
BY WHOM WRIT MAY BE ISSUED
Acts 1965, 59th Leg., vol. 2, p. 317, ch. 722
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.