Investigators who first worked the 1971 homicide case of Natalie Schublin in Bedford, Massachusetts, considered every possible theory for her death,

kidnapping for ransom, burglary gone wrong, a random attack in an otherwise quiet community.

And yet nothing led police to the truth.

For years, Natalie's family waited for answers.

Until decades later, forensic technology

finally identified a suspect.

I'm Kylie Lowe, and this is the case of Natalie Schublin

on Dark Down East. It was just after 5.30 p on Thursday, June 10, 1971,

when Raymond Schublin turned into the driveway of his home

at 75 Pine Hill Road in Bedford, Massachusetts.

He was the president of Lexington Trust Bank at the time

and had just finished up a day at the office,

complete with a board meeting,

and was finally home to have dinner with his wife, 54-year-old Natalie Shublin.

The Shublin home was a classic Cape Cod style house set back on a large wooded lot

with a swimming pool out back. The house itself was perched on a hill, but the

attached garage sat lower on that hill, almost below the house itself adjacent to the basement.

So Raymond pulled his car into the garage and made his way inside through the cellar door

entrance as usual.

He hadn't been inside for more than a few seconds when he encountered a terrible scene.

There on the cellar floor Raymond found his wife, laying at the bottom of the basement

stairs in a pool of blood.

...