In a breakthrough that has brought both closure and renewed grief, authorities announced last week the arrest of a suspect in the 1978 murders of two teenagers in West Springfield, Massachusetts.
The victims, 18-year-old Theresa Marcoux and 20-year-old Mark Harnish, were found shot to death in a wooded area off Route 5 on November 19, 1978. Their deaths, a shocking act of violence that shattered the small community, remained unsolved for nearly five decades.
The Hampden District Attorney’s Office, determined to bring justice to the victims and their families, reopened the case in recent years…