Mo. Rev. Stat. § 533.140
If the defendant fail in his defense, and have the property in possession, the court or jury shall assess the value of the property, and the damages for all injuries to the property, and for the taking and detention, or detention, of the same, and the judgment shall be against the defendant and his sureties, that he return the property or pay the value so assessed, at the election of the plaintiff, and, also, pay the damages so assessed and costs of suit. If the defendant have not the property in possession, the court or jury shall assess the damages, and the judgment shall be against the defendant and his sureties, for the damages so assessed, and costs of suit; and in all cases the property shall be presumed to be with the party who should have it, until the contrary be shown.
§ 533.140, RSMo
RSMo 1939 § 1801