No person shall interfere with or obstruct any officer, juvenile probation officer or other officer or employee of the court in the discharge of his duties under this law, nor remove or conceal or cause to be removed or concealed any child in order that he or she may not be brought before the court, nor interfere with or remove or attempt to remove any child who is in the custody of the court or of an officer or who has been lawfully committed under this law. Any person willfully violating any provision of this section is guilty of a Class 1 misdemeanor.