Mo. Rev. Stat. § 513.345: Officer liable on his bond for refusal to perform duty.

If any officer to whom any execution shall be delivered shall not return the same according to law and the command of the writ, such officer and his sureties shall be liable to pay the damages sustained by such default, to be recovered by the party aggrieved, by action upon the official bond of the officer, or by civil action against such officer.