§9–301.

    (a)    In this subtitle the following words have the meanings indicated.

    (b)    “Official proceeding” includes a criminal trial, a hearing related to a criminal trial or adjudicatory hearing, a grand jury proceeding, and any other proceeding that is part of a criminal action or juvenile delinquency case.

    (c)    “Victim” means a person against whom a crime or delinquent act has been committed or attempted.

    (d)    “Witness” means a person who:

        (1)    has knowledge of the existence of facts relating to a crime or delinquent act;

        (2)    makes a declaration under oath that is received as evidence for any purpose;

        (3)    has reported a crime or delinquent act to a law enforcement officer, prosecutor, intake officer, correctional officer, or judicial officer; or

        (4)    has been served with a subpoena issued under the authority of a court of this State, any other state, or the United States.