Maryland Code, Public Safety § 3-605

(i) whose whereabouts are unknown;

(ii) who is suspected of killing or seriously injuring a law enforcement officer;

(iii) whose disappearance poses a serious threat to the public and other law enforcement personnel; and

(iv) whose vehicle the reporting law enforcement agency is able to describe, including any information about the vehicle's registration plate.

(i) adopt guidelines and develop procedures for issuing a Blue Alert for a missing offender;

(ii) provide training to local law enforcement agencies on the guidelines and procedures to be used to make and handle a report of a missing offender;

(iii) provide assistance to a local law enforcement agency, as necessary, to assist in the location and apprehension of a missing offender;

(iv) recruit public and commercial television and radio broadcasters, local volunteer groups, and other members of the public to assist in developing and implementing a Blue Alert; and

(v) consult with the State Highway Administration and the Governor's Division of Emergency Management to establish a plan for providing information relevant to a Blue Alert to the public through the dynamic message sign system located across the State.