(1) A person commits the offense of hindering prosecution of terrorism if the person renders criminal assistance to a person who has committed terrorism, § 5-54-205, or causing a catastrophe, § 5-38-202, when he or she knows that the person to whom he or she rendered criminal assistance engaged in an act of terrorism or caused a catastrophe.
(2) Hindering prosecution of terrorism is a Class B felony.
(3) However, hindering prosecution of terrorism is a Class D felony if the defendant shows by a preponderance of the evidence that he or she stands to the person assisted in the relation of: Parent, child, brother, or sister or a corresponding step-relationship of the preceding relationships; or
(4) Husband and wife.