§  630.10 Securing  attendance  of witnesses confined in institutions within the state; in general. Under the circumstances prescribed in this article, a person  confined  in  an institution within this state pursuant to a court order may, upon  application of a party to a criminal action or proceeding, demonstrating  reasonable cause to  believe  that  such  person  possesses  information  material  thereto,  be  produced  by court order and compelled to attend  such action or proceeding as a witness.