Md. Code, Courts and Judicial Proceedings § 6–310

(a) In this section, “administrator” includes the sheriff, director, superintendent, warden, or other officer in charge of a local detention center.

(b) The administrator may designate employees of the local detention center to serve a criminal summons, warrant, or charging document.

(c) (1) Except as provided in paragraph (2) of this subsection, the authority of an individual designated to serve criminal process under this section shall be limited to the service of process within the local detention center.

(2) The authority of an individual designated to serve criminal process under this section by the administrator of the local detention center in Harford County shall be limited to the service of process within:

(i) The local detention center;

(ii) The Circuit Court for Harford County; or

(iii) The District Court of Maryland for Harford County.

(d) The administrator shall ensure that an employee designated to serve criminal process has received adequate training.

(e) This section may not be construed to limit the authority of any employee of the local detention center to serve civil process as provided in the Maryland Rules.