The support person shall not obscure the child from the view of the defendant or the trier of fact. A support person shall not provide the child with an answer to any question directed to the child during the course of the child's testimony or otherwise prompt the child or otherwise influence the testimony of the child. If the support person attempts to influence or affect in any manner the testimony of the child victim or witness during the giving of testimony or at any other time, the court shall exclude that support person, refer the matter of misconduct of the support person to the prosecuting attorney, and designate an alternative support person;
provided that, such measures are consistent with the rights of all parties under the constitution and laws of the United States and the state of Missouri.
§ 491.725, RSMo