Doreen Hardy, 18, was last seen with 43-year-old Jane Bernard getting into the same car on Aug. 27, 1966, in Port Arthur, in what is now known as Thunder Bay, Ontario.
Hardy’s body was found a day later in McGregor Township (now the Shuniah Township), near Sandy Beach, Ontario, while Bernard’s body was found nearby several days later.
The Ontario Provincial Police said both women had been strangled to death. The OPP is offering a $50,000 reward for information related to both deaths.