Any person who introduces into any detention facility or correctional institution any weapon, explosive or incendiary substance, rope, ladder, or any instrument or device by which that person intends to facilitate the escape of any prisoner, or any person who, not being authorized by law, knowingly causes any such weapon, explosive or incendiary substance, rope, ladder, instrument or device to come into the possession of any prisoner, commits the crime of assisting a prisoner to escape which is subject to the following penalties:
Iowa Code § 719.6