Blaine Alexander

They say what goes around comes around sometimes.

Now police wanted to know, was Dr. Schwartz's murder an act of revenge for a decades-old crime?

As soon as I heard that, it's like all the bells went off.

It was like, that is it.

So the secret was out.

The late Stephen Schwartz was himself a convicted killer.

And people just had to wonder...

As soon as I heard that, it's like all the bells went off.

It was like, that is it.

You know, with your investigative hat on, you hear this, that he committed a murder years ago.

Are you thinking...

Maybe this is in some way connected.

Maybe it's someone coming back to seek retribution.

His character now was unapproached.

You know, it was impeccable.

Almost like this was a completely different man from back then.

Once investigators were sure there was no connection to that decades-old crime, the search for a killer continued.

They interviewed dozens of people and were eventually able to clear Rebecca's son, Ben,

And fortunately, they had taken DNA from everyone they could think of.

Fortunate because a lab tech spotted something in a crime scene photo that seemed, at first, kind of innocuous.