Md. Code, Criminal Law § 3–204

(a) A person may not recklessly:

(1) engage in conduct that creates a substantial risk of death or serious physical injury to another; or

(2) discharge a firearm from a motor vehicle in a manner that creates a substantial risk of death or serious physical injury to another.

(b) A person who violates this section is guilty of the misdemeanor of reckless endangerment and on conviction is subject to imprisonment not exceeding 5 years or a fine not exceeding $5,000 or both.

(c) (1) Subsection (a)(1) of this section does not apply to conduct involving:

(i) the use of a motor vehicle, as defined in § 11-135 of the Transportation Article; or

(ii) the manufacture, production, or sale of a product or commodity.

(2) Subsection (a)(2) of this section does not apply to:

(i) a law enforcement officer or security guard in the performance of an official duty; or

(ii) an individual acting in defense of a crime of violence as defined in § 5-101 of the Public Safety Article.