Nearly 46 years after a young couple was found shot to death at a Massachusetts rest stop, investigators say they now believe they know who is responsible.

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.

Police have made an arrest in the West Springfield murders of 18-year-old Theresa Marcoux and 20-year-old Mark Harnish, who ...

Timothy Joley was arrested nearly 46 years after investigators say he shot and killed two young adults in Massachusetts.

Timothy Scott Joley, 71, of Clearwater, Florida, has been arrested for the 1978 murders of Theresa Marcoux and Mark Harnish, ...

A man has been arrested in connection with a 1978 double murder after investigators found his fingerprint on a decades-old ...

On Nov. 19, 1978, police discovered Theresa Marcoux, 18 and Mark Harnish, 20, shot to death near Harnish's 1967 green Dodge ...

Authorities in Massachusetts said a 71-year-old man has been arrested and charged with murdering two people nearly 46 years ...

A man was arrested in connection with a cold case in Springfield.On Nov. 19, 1978, the bodies of Theresa Marcoux and<a class="excerpt-read-more" href=" More ...

Theresa Marcoux, 18, and Mark Harnish, 20, were found shot to death on the morning of Nov. 19, 1978 at a rest stop in West ...

In a press conference on Wednesday, Hampden County District Attorney Anthony Gulluni named a new suspect, Timothy Scott Joley ...

Investigators believe they may have cracked the nearly 50-year-old double murder cold case of a young couple in Massachusetts ...