VERSAILLES, Ind. (AP) — A man state police have described as a person of interest in the slayings of five people in rural Indiana has been ordered held on $5 million bond after his arrest on an unrelated charge.Ripley Circuit Court Judge Carl Taul's office says 46-year-old David E. Ison (EYE'-suhn) appeared in court Thursday on an unrelated charge of attempted armed robbery.Prosecutors told the judge during the hearing that Ison also has been linked to the killings of four family members and another man found dead in Laurel last weekend.Authorities said in court that police who arrested Ison early Wednesday found a gun in his car matching the type of gun used in the slayings.Messages seeking additional comment were left for prosecutors and an attorney appointed to represent Ison.