Tennessee Code Title 40. Criminal Procedure § 40-12-102

(a) No person who has been guilty of any offense declared in § 39-12-103, relating to conspiracy to take human life or to injure persons or destroy property, shall be competent to sit or serve on any grand or traverse jury and it is the duty of the court to carefully exclude all such persons from the juries, both grand and petit.

(b) When the court is informed, or has reason to suspect, that any person presented as a juror is guilty of any of the offenses listed in subsection (a), it shall call witnesses, if necessary, and examine fully into the truth of the charge.

(c) The court shall dismiss from the grand jury any person who has been selected and afterwards shown to be implicated in any offense listed in subsection (a).