Tenn. Code Ann. § 40-5-102: Officials who are magistrates

The following are magistrates within the meaning of this part:

(1) The judges of the supreme court;

(2) The judges of the circuit and criminal courts;

(3) Judicial commissioners;

(4) Judges of the courts of general sessions;

(5) City judges in cities and towns; and

(6) Judges of juvenile courts.