Md. Code, Criminal Law § 9–807

For purposes of venue, any violation of this subtitle is considered to have been committed in any county:

(1) in which any act was performed in furtherance of a violation of this subtitle;

(2) that is the principal place of the operations of the criminal organization in the State;

(3) in which a defendant had control or possession of proceeds of a violation of this subtitle or of records or other material or objects that were used in furtherance of a violation; or

(4) in which a defendant resides.