David Muir

And you retired. And when you left the force, at that point, it had not been solved.

It would turn out that spark, the one that would finally reignite the whole investigation into the murder of Catherine Edwards, was actually coming, thanks to a major leap forward in forensic technology.

It would turn out that spark, the one that would finally reignite the whole investigation into the murder of Catherine Edwards, was actually coming, thanks to a major leap forward in forensic technology.

Investigators now have a human profile that can actually be searched in public databases to try to find possible family members across this country. And to do that, you need a genealogist to connect the dots. And Beaumont detective Aaron Llewellyn didn't have to look far for help.

Investigators now have a human profile that can actually be searched in public databases to try to find possible family members across this country. And to do that, you need a genealogist to connect the dots. And Beaumont detective Aaron Llewellyn didn't have to look far for help.

So now along with the Middlemans from the Othram Forensic Laboratory, you've got two husband-wife teams actually working the case of this elementary school teacher, Catherine Edwards, and soon another critical partner joins the hunt.

So now along with the Middlemans from the Othram Forensic Laboratory, you've got two husband-wife teams actually working the case of this elementary school teacher, Catherine Edwards, and soon another critical partner joins the hunt.

Cheryl LaPointe just happens to be a professional genealogist with experience working in criminal cases. She also has Cajun ancestry.

Cheryl LaPointe just happens to be a professional genealogist with experience working in criminal cases. She also has Cajun ancestry.

A friendship quickly forms as the two women spend the next three months building a family tree around the suspect's DNA, using every record they can find, a combination of internet research and good old-fashioned library archives.

A friendship quickly forms as the two women spend the next three months building a family tree around the suspect's DNA, using every record they can find, a combination of internet research and good old-fashioned library archives.

And the details of that assault set off alarm bells for detectives.

And the details of that assault set off alarm bells for detectives.

So all these years later, investigators in the Catherine Edwards case, the school teacher who was brutally murdered, now think there might have been a second victim of the suspect who is still alive, Paula Bledsoe Ramsey.

So all these years later, investigators in the Catherine Edwards case, the school teacher who was brutally murdered, now think there might have been a second victim of the suspect who is still alive, Paula Bledsoe Ramsey.

She says a man offered her a ride home.

She says a man offered her a ride home.

She realized very quickly that that man wasn't driving in the direction of her home.

She realized very quickly that that man wasn't driving in the direction of her home.

Paula said she summoned the courage about a week later to tell police what had happened. They would soon tell her that they identified the man who attacked her. And it turns out he wasn't a police trainee. He was a 21-year-old salesman in Beaumont.