270.400.  Killing of feral swine, permitted when — violations, penalty. — 1.  For purposes of this section, the following terms mean:

  (1)  "Feral swine", any swine that is born, living, or has lived in the wild, and the offspring of such swine.  For purposes of this subdivision, "in the wild" means not confined by humans to pens, houses, or other facilities designed to hold swine and prevent their escape;

  (2)  "Landowner's agent", any person who has permission from a landowner to be present on the landowner's property.

  2.  A person may kill a feral swine roaming freely upon such person's land and shall not be liable to the owner of the swine for the loss of the swine.

  3.  Any person may take or kill a feral swine on public land or private land with the consent of the public landowner or the private landowner; except that, during the firearms deer and turkey hunting season, the regulations of the Missouri wildlife code shall apply.  Such person shall not be liable to the owner of the swine for the loss of such swine.

  4.  No person except a landowner or such landowner's agent on such landowner's property shall take, attempt to take, or kill a feral swine with the use of an artificial light or thermal imagery.

  5.  Any person who violates subsection 3 or 4 of this section is guilty of a class A misdemeanor.  Each violation of subsection 3 or 4 of this section shall be a separate offense.

  6.  Nothing in this section shall be construed to apply to the accidental escape of domestic swine.