Texas Code of Criminal Procedure - CRIM P Art. § 18A.252. Use of Interception Device by Inspector General

(1) without a warrant, use an interception device to detect the presence or use of a cellular telephone or other wireless communications device in a correctional facility;

(2) without a warrant, intercept, monitor, detect, or, as authorized by applicable federal laws and regulations, prevent the transmission of a communication through a cellular telephone or other wireless communications device in a correctional facility; and

(3) use, to the extent authorized by law, any information obtained under Subdivision (2), including the contents of an intercepted communication, in a criminal or civil proceeding before a court or other governmental agency or entity.