Iowa Code Title XVI. Criminal Law and Procedure [Chs. 687-916] § 704.8. Escape from place of confinement

A correctional officer or peace officer is justified in using reasonable force, including deadly force, which is necessary to prevent the escape of any person from any jail, penal institution, correctional facility, or similar place of confinement, or place of trial or other judicial proceeding, or to prevent the escape from custody of any person who is being transported from any such place of confinement, trial or judicial proceeding to any other such place, except that deadly force may not be used to prevent the escape of one who the correctional officer or peace officer knows is confined on a charge or conviction of any class of misdemeanor.