Decades after a double homicide case in Western Massachusetts went cold, an unexpected tip has led to an arrest, officials announced Wednesday.

Timothy Joley, 71, is facing charges over the deaths of Theresa Marcoux, 18, and Mark Harnish, 20, nearly 46 years ago

Timothy Scott Joley, 71, was arrested last month at his home in Clearwater, Florida, in connection with the murders of Theresa Marcoux, 18, and Mark Harnish, 20, Hampden County District Attorney Anthony Gulluni announced Wednesday on Facebook. The victims ...

Authorities announced an arrest Wednesday in a nearly 46-year-old double murder in western Massachusetts. Timothy Scott Joley, 71, of Clearwater, Florida, was arrested for the 1978 murders of Theresa Marcoux and Mark Harnish,

An autopsy determined the cause of death for each victim was multiple gunshot wounds. Over the years, the print that was found was entered into the Massachusetts Automated Fingerprint Identification System (or AFIS) and manually compared to approximately 70,000 known fingerprint cards.

The case began on Nov. 19, 1978, when police discovered Theresa Marcoux, 18, and Mark Harnish, 20, shot dead near Route 5 in West Springfield, Hampden District Attorney Anthony Gulluni said. PHOTO: Theresa Marcoux, 18, and Mark Harnish, 20, were found shot ...

Authorities say they're one step closer to solving a decades-long cold case. Timothy Scott Joley, 71, has been arrested for the 1978 murders of Theresa Marcoux, 18, and Mark Harnish, 20.