Md. Code, Criminal Law § 9–416

(a) A person may not:

(1) deliver a controlled dangerous substance to a person detained or confined in a place of confinement; or

(2) possess a controlled dangerous substance with the intent to deliver it to a person detained or confined in a place of confinement.

(b) A person detained or confined in a place of confinement may not knowingly possess or receive a controlled dangerous substance.

(c) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 3 years or a fine not exceeding $1,000 or both.