Mollie Tibbetts: Hog farmer who said he refused FBI polygraph test now claims he actually took it

An Iowa hog farmer who previously said he refused to take a lie detector in connection with the disappearance of University of Iowa student Mollie Tibbetts, now claims he actually did take it. FOX News reports that 56-year-old Wayne Cheney, a hog farmer from Deep River who maintains he had nothing to do with 20-year-old …