Tennessee Code Title 2. Elections § 2-18-109

(1) Send for and examine persons and papers;

(2) Issue compulsory process for them running to every county in the state, which may be executed by the sergeant-at-arms of either house or any assistant sergeant-at-arms, or by any sheriff, deputy sheriff, or constable, or by any special agent appointed by the chair of the committee or by the chair of any subcommittee;

(3) Punish for contempt by fine and imprisonment;

(4) Employ stenographers;

(5) Sit for the taking of evidence at any place in Tennessee and, when in their judgment necessary, in four (4) subcommittees;

(6) Take depositions upon such notice and under such rules and regulations as they may prescribe in the absence of rules prescribed by the general assembly;

(7) Fix the time in which the evidence in chief and rebuttal shall be produced or taken and the time for argument; and

(8) Do all things proper and necessary to ascertain the facts and report on them.