Md. Code, Courts and Judicial Proceedings § 8–414

(a) A court reporter whom a jury judge orders under § 2-503 of this article to record testimony before a grand jury may be present at its sessions.

(b) An interpreter whom a jury judge approves may be present at a grand jury session as needed to provide services as an interpreter.

(c) (1) This subsection applies only to a grand jury for Baltimore City.

(2) The State’s Attorney for Baltimore City or an assistant State’s Attorney for Baltimore City:

(i) At the request of a grand jury, may attend any of its sessions; but

(ii) May not be present when the grand jury votes on an indictment or presentment.