Md. Code, Public Safety § 13A–1013

(a) A person subject to this title shall be punished as a court–martial may direct if the person:

(1) is placed in correctional custody by a person authorized to do so;

(2) while in correctional custody, is under physical restraint; and

(3) escapes from the physical restraint before being released from the physical restraint by proper authority.

(b) A person subject to this title shall be punished as a court–martial may direct if the person:

(1) is placed in correctional custody by a person authorized to do so;

(2) while in correctional custody, is under restraint other than physical restraint; and

(3) goes beyond the limits of the restraint before being released from the correctional custody or relieved of the restraint by proper authority.

(c) A person subject to this title shall be punished as a court–martial may direct if the person:

(1) is ordered to be restricted to certain limits by a person authorized to do so; and

(2) with knowledge of the limits of the restriction, goes beyond those limits before being released by proper authority.