Tex. Hum. Res. Code § 242.103 – Detection and Monitoring of Cellular Telephones

(a) The department may own and the office of the inspector general may possess, install, operate, or monitor an interception device, as defined by Article 18A.001, Code of Criminal Procedure.
(b) The inspector general shall designate in writing the commissioned officers of the office of inspector general who are authorized to possess, install, operate, and monitor interception devices for the department.
(c) An investigative or law enforcement officer or other person, on request of the office of inspector general, may assist the office in the operation and monitoring of an interception of wire, oral, or electronic communications if the investigative or law enforcement officer or other person:
1. (1) is designated by the executive director for that purpose; and
2. (2) acts in the presence and under the direction of a commissioned officer of the inspector general.
  Transferred, redesignated and amended from Human Resources Code, Subchapter C, Chapter 61 by Acts 2011, 82nd Leg., R.S., Ch. 85 (S.B. 653), Sec. 1.007, eff. September 1, 2011.
  Acts 2017, 85th Leg., R.S., Ch. 1058 (H.B. 2931), Sec. 3.16, eff. January 1, 2019.