Tennessee Code Title 29. Remedies and Special Proceedings § 29-21-116

(1) Whether the person then has, or at any time has had, the plaintiff in the person's control or restraint, and, if so, the authority and cause thereof, setting out the same fully;

(2) If the party is detained under a writ, warrant, or other written authority, a copy thereof shall be annexed to the return, and the original shall be produced and exhibited to the court or judge, if required; and

(3) If the person on whom the writ has been served, has had the plaintiff in the person's custody or power or under the person's restraint, at any time before or after the date of the writ, but has transferred the plaintiff to another person, that person shall state the facts explicitly, and to whom, at what time, for what cause, and by what authority such transfer was made.