Man who killed 2, held several hostage in Ontario dies in prison

By KAREN PARKER | County Line Editor The man who terrified Ontario on April 28, 1983, has died in a Portage prison at age 77. Distraught over the possession of a horse trailer, Wayne Tretsven of Cashton gunned down his 44-year-old girlfriend, Rebecca Glunz, at her trailer home near Westby. He then went to rural…