WILLISTON — Almost a year and a half after the death of a Williston man, a Tioga couple have been sentenced for their role in his murder. During a combined sentencing hearing Tuesday, June 16, Judge Chas Neff Jr. sentenced Tyler Roy Langved and Kaylie Jane Langved, both 31 years old, to serve 25 years for the death of 30-year-old Clay Kyllonen. The Langveds, who will get credit for the 498 days they have already served, were also sentenced to se…