Maryland Code, Family Law § 9.7-104

(a) A court on its own motion may order abduction prevention measures in a child custody proceeding if the court finds that the evidence establishes a credible risk of abduction of the child.

(b) A party to a child custody determination or another individual or entity having a right under the law of a state to seek a child custody determination for the child may file a petition seeking abduction prevention measures to protect the child under this title.

(c) A prosecutor or public authority under § 9.5-315 of this article may seek a warrant to take physical custody of a child under § 9.7-109 of this title or take other appropriate prevention measures.