2021 Tennessee Code
Part 3 - Service of Process on and Testimony of Inmates
§ 41-21-305. Writ for Appearance to Testify in Criminal Case

Whenever the presiding judge of any court has reason to believe that the evidence of an inmate is necessary in any criminal proceedings and that other evidence cannot be obtained on behalf of the state or of the defendant, the presiding judge shall order a writ to be issued directing the warden of the penitentiary to bring the body of the inmate before the court, on a day to be named in the writ, to give testimony for the state or for the defendant in such case.
Code 1858, § 5554; Shan., § 7576; Code 1932, § 12174; Acts 1965, ch. 81, § 1; T.C.A. (orig. ed.), § 41-606.