Notwithstanding any other provision of law to the contrary, when a grand jury is convened pursuant to this part, the district attorney general shall:(1) Have the authority to compel by subpoena the testimony of witnesses before the grand jury; and(2) Be present to examine witnesses coming before the grand jury, as well as to give legal advice to the grand jury as to matters cognizable by it.Acts 1990, ch. 1051, § 1.
Tennessee Legal Code