Maryland Code, Public Safety § 13A-1044

(c)(1) In this subsection, “false threat” means a threat that, at the time the threat is communicated, is known to be false by the person communicating the threat.

(2) A person subject to this title who maliciously communicates a false threat concerning injury to the person or property of another by use of an explosive, a weapon of mass destruction, a biological or chemical agent, substance, or weapon, or a hazardous material, shall be punished as a court-martial may direct.