Md. Code, Criminal Law § 9–414

(a) (1) A person may not deliver a weapon to a person detained or confined in a place of confinement.

(2) A person may not possess a weapon with the intent to deliver it to a person detained or confined in a place of confinement.

(3) A person may not deposit or conceal a weapon in or about a place of confinement or on any land appurtenant to the place of confinement to effect an escape.

(4) A person detained or confined in a place of confinement may not knowingly possess or receive a weapon.

(b) A person who violates this section is guilty of a felony and on conviction is subject to imprisonment not exceeding 10 years or a fine not exceeding $5,000 or both.