Mo. Rev. Stat. § 534.602

  (b) The property that is being occupied includes a residential dwelling;

  (c) An unlawful occupant or unlawful occupants have entered and remain or continue to reside on the property owner's property;

  (d) The real property was not open to members of the public at the time the unlawful occupant or unlawful occupants entered;

  (e) The unlawful occupant or unlawful occupants are occupying the property without the permission of the property owner and are not guests of the property owner nor otherwise authorized to make use of the property;

  (f) The property owner has directed the unlawful occupant or unlawful occupants to leave the property and the unlawful occupant or unlawful occupants have failed or refused to vacate the premises;

  (g) The property has not been leased to any person for three consecutive months, and the unlawful occupant or unlawful occupants are not current or former tenants of the property pursuant to any agreement with the property owner;

  (h) The unlawful occupant or unlawful occupants are not immediate family members of the property owner; and

  (i) There is no pending litigation related to the real property between the property owner and any known unlawful occupant or unlawful occupants.