previously on Anatomy of Murder.

You were there within 10 minutes of this firestorm,

and you didn't smell or see anything.

We had two children fatalities.

I wanted my babies. I was screaming,

Judd, down there, please answer me.

You know, please, that has here, that has loved you so much.

Please come to the window.

In a couple of years earlier, Molly said that she had dreams

of killing her children.

If you're a wife over the past six years,

been pretty good, it's not been perfect.

Can you expand on that?

Molly was having an affair with Mike and lady named Stephanie.

They were having a threesome.

She was committing adultery.

We knew we were going to have to interview Molly again.

That was going to be our last shot.

I'm Scott Weinberger, investigative journalist and former deputy sheriff.

I'm Anna Sige-Nikolazi, former New York City homicide prosecutor

and host of investigation discoveries through conviction.

And this is an out of me of murder.

...