Gustave Sapharas, 78, was found guilty of two cold case murders in Tallmadge, Ohio, from the 1970s. A jury found Gustave Sapharas guilty of aggravated murder, murder, murder in the first degree involving an abduction, murder in the second degree and maiming or disfiguring another, according to a news release from Summit County Prosecutor Sherri Beban Walsh. Karen Bentz was 18 years old when she was found stabbed to death on the side of Indian Hills Drive in Tallmadge on April 28, 1970, the release states. Loretta Jean Davis, 20, was found stabbed to death on Sept. 28, 1975, on the side of Congress Lake Road in Portage County, according to the prosecutor's office. Her car and wallet were found in Tallmadge.