Md. Code, State Government § 2–1605

(a) An investigating committee shall have the chair and vice chair who:

(1) are appointed by the resolution that establishes the investigating committee; or

(2) if the resolution does not appoint these officers, are elected by affirmative vote of a majority of all of the members of the investigating committee.

(b) The rules of an investigating committee shall provide for the selection of a presiding officer to act if the chair and vice chair are absent or unable to act.

(c) (1) At a hearing of an investigating committee, the presiding officer shall be:

(i) the chair of the investigating committee;

(ii) if the chair is absent or otherwise unable to preside, the vice chair; or

(iii) if the chair and vice chair are absent or otherwise unable to preside, the individual who is selected under the rules of the investigating committee.

(2) At a hearing, the presiding officer:

(i) shall examine the witnesses or supervise the examination by any other member of the investigating committee or by staff who are authorized to examine witnesses; and

(ii) may direct a witness to answer a relevant question or to provide a relevant book, document, or paper.