Material witness order; compelling attendance of witness who fails to appear

§ 620.70 Material witness order; compelling attendance of witness who

fails to appear.

If a witness at liberty on bail pursuant to a material witness order
cannot be found or notified at the time his appearance as a witness is
required, or if after notification he fails to appear in such action or
proceeding as required, the court may issue a warrant, addressed to a
police officer, directing such officer to take such witness into custody
anywhere within the state and to bring him to the court forthwith.