Maryland Criminal Law Section 9-402

      (a)      This section does not apply if the warrant is for a traffic offense.

      (b)      A person may not harbor a fugitive to prevent the fugitive's discovery or arrest after:

            (1)      being notified, or otherwise knowing, that a felony warrant was issued for the arrest of the fugitive; and

            (2)      being notified that harboring the fugitive is a crime.

      (c)      A person may not knowingly harbor a fugitive who is avoiding:

            (1)      prosecution;

            (2)      custody; or

            (3)      confinement after conviction of a felony.

      (d)      A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 1 year or a fine not exceeding $1,000 or both.