Maryland Public Safety Section 3-101
§ 3-101.
  (a)   In this subtitle the following words have the meanings indicated.
  (b)   (1)   "Chief" means the head of a law enforcement agency.
    (2)   "Chief" includes the officer designated by the head of a law enforcement agency.
  (c)   (1)   "Hearing" means a proceeding during an investigation conducted by a hearing board to take testimony or receive other evidence.
    (2)   "Hearing" does not include an interrogation at which no testimony is taken under oath.
  (d)   "Hearing board" means a board that is authorized by the chief to hold a hearing on a complaint against a law enforcement officer.
  (e)   (1)   "Law enforcement officer" means an individual who:
      (i)   in an official capacity is authorized by law to make arrests; and
      (ii)   is a member of one of the following law enforcement agencies:
        1.   the Department of State Police;
        2.   the Police Department of Baltimore City;
        3.   the Baltimore City School Police Force;
        4.   the Baltimore City Watershed Police Force;
        5.   the police department, bureau, or force of a county;
        6.   the police department, bureau, or force of a municipal corporation;
        7.   the office of the sheriff of a county;
        8.   the police department, bureau, or force of a bicounty agency;
        9.   the Maryland Transportation Authority Police;
        10.   the police forces of the Department of Transportation;
        11.   the police forces of the Department of Natural Resources;
        12.   the Field Enforcement Bureau of the Comptroller's Office;
        13.   the Housing Authority of Baltimore City Police Force;
        14.   the Crofton Police Department;
        15.   the police force of the Department of Health and Mental Hygiene;
        16.   the police force of the Department of General Services;
        17.   the police force of the Department of Labor, Licensing, and Regulation;
        18.   the police forces of the University System of Maryland;
        19.   the police force of Morgan State University;
        20.   the office of State Fire Marshal; or
        21.   the Ocean Pines Police Department.
    (2)   "Law enforcement officer" does not include:
      (i)   an individual who serves at the pleasure of the Police Commissioner of Baltimore City;
      (ii)   an individual who serves at the pleasure of the appointing authority of a charter county;
      (iii)   the police chief of a municipal corporation;
      (iv)   an officer who is in probationary status on initial entry into the law enforcement agency except if an allegation of brutality in the execution of the officer's duties is made;
      (v)   a Montgomery County fire and explosive investigator as defined in § 2-208.1 of the Criminal Procedure Article; or
      (vi)   an Anne Arundel County or City of Annapolis fire and explosive investigator as defined in § 2-208.2 of the Criminal Procedure Article.