Maryland Courts and Judicial Proceedings Section 8-102

      (a)      When a litigant in a court of the State is entitled to trial by a petit jury and when a person accused of a criminal offense is presented to a grand jury, the jury shall be selected at random from a fair cross section of the citizens of the State who reside in the county where the court convenes.

      (b)      Every citizen of this State has:

            (1)      The opportunity to serve on grand and petit juries; and

            (2)      The obligation to serve when summoned as a juror.