Police have made an arrest in the West Springfield murders of 18-year-old Theresa Marcoux and 20-year-old Mark Harnish, who were found shot to death in 1978.
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.