Tenn. Code Ann. § 40-12-210: Conditions for disclosure of proceedings and documents

Disclosure of grand jury documents and proceedings may also be made under this part when:

(1) Directed by a court preliminarily to or in connection with a judicial proceeding;

(2) Disclosure is made by the district attorney general to another grand jury; or

(3) Permitted by a court upon motion of the defendant showing grounds exist for a motion to dismiss the indictment because of matters occurring before the grand jury.