 On May 3, paying customers Mike Stone and his 11-year-old son , Jamison , hunted him in a fenced enclosure.
<clarity>  On May 3, paying customers Mike Stone and his 11-year-old son , Jamison , hunted him in a fenced enclosure.
 On May 3, paying customers Mike Stone and his 11-year-old son Jamison hunted the pig in a fenced enclosure.