Man 'dumped five human heads and limbs' in remote forest on Boxing Day Walter Mitchell, 59, had recently closed his company that stored corpses for medical research in Seattle, before limbs and skulls were found littered across two remote areas in Arizona, US Updated Walter Mitchell, 59 , was arrested by Yavapai County Sheriff’s Office (Image: Yavapai County Sheriff's Office) The Daily Star's FREE newsletter is spectacular! Sign up today for the best stories straight to your inboxInvalid EmailSomething went wrong, please try again later. Sign up today! When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time.