For an election in which the attorney general is conducting an investigation, the attorney general may:
(1) direct the county or district attorney serving a county in the territory covered by the election to conduct or assist the attorney general in conducting the investigation; or
(2) direct the Department of Public Safety to assist in conducting the investigation.
Tex. Elec. Code § 273.002
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. 1/1/1986.