It's still relatively rare that we see women as perpetrators in cases like this.

You've covered a few.

Is this your specialty?

Is this something you're able to look?

It seems like it's becoming one.

It seems a little blunt.

Hi, everyone.

I'm Lester Holt, and this is Talking Dateline.

I'm joined today by Keith Morrison and Keith.

This is a case I know you have been covering for years, and it brings us back to Baytown, Texas,

where the death of Sarah Hartsfield's husband, Joe, ultimately exposed a much darker story.

Multiple marriages, volatile relationships,

and allegations of violence that stretch back for decades. The episode is called The Trouble

with Sarah, and folks, if you haven't listened to the episode, you can find it in the

Dateline podcast feed or stream it on Peacock.

So go there and listen to that.

When you come back, Keith has some extra sound for us from private investigator Lynn Marie

Garcy, who describes a surprising request, she says, that Sarah made after her conviction.

And later, Keith will answer your question some social media. So, okay, let's

start talking Dateline. Keith, just give us the overview, your view of this story. Well, this was a case

that might not ever have seen the light of day, if a member of the medical staff in the

emergency department of the hospital in Baytown, Texas, saw something that didn't look right

...