(a) Except as otherwise provided by this subchapter and Subchapters E and F, only the department is authorized by this chapter to own, possess, install, operate, or monitor an interception device.
(b) An investigative or law enforcement officer or other person may assist the department in the operation and monitoring of an interception of wire, oral, or electronic communications if the officer or other person:
(1) is designated by the director for that purpose; and
(2) acts in the presence and under the direction of a commissioned officer of the department.
(c) The director shall designate in writing the commissioned officers of the department who are responsible for the possession, installation, operation, and monitoring of interception devices for the department.