Texas Code of Criminal Procedure - CRIM P Art. § 18B.323. Issuance of Warrant

(a) On the filing of an application for a warrant under this subchapter, a district judge may issue the warrant to obtain the disclosure of location information by a provider described by Article 18B.355(b), regardless of whether the location information is held at a location in this state or another state.

(b) A warrant may not be issued under this article unless the sworn affidavit required by Article 18.01(b) provides sufficient and substantial facts to establish probable cause that: