(NBC) — Friday on “Dateline,” Chacey Poynter calls 911 to report her husband, Bob, has been shot on a country road in Texas and the dramatic police footage from the scene could end up being key in the investigation.

Here is a preview of Josh Mankiewicz’s report:

Bob married young and had two kids. After 19 years, that marriage fell apart, expensively. Then Bob met Chacey Morman who was much younger.

CANDY HABERSACK: I think it was an infatuation and he thought it was somebody 22 years old, you know, li– liking him and he’s in his 40s, you know. And–

JOSH MANKIEWICZ: A fling.

CANDY HABERSACK: A fling, basically, yeah.

It wasn’t a fling. Bob married Chacey.

ASHLEY: I mean, she just had a heart of gold. I mean, she loved everybody.

Ashley met Chacey in middle school. Ashley got to know Chacey’s husband — Bob.

JOSH MANKIEWICZ: What’d she say about Robert?

ASHLEY: He was never there. He always worked.

JOSH MANKIEWICZ: Well, he was a fire captain.

ASHLEY: Right.

JOSH MANKIEWICZ: And he worked a lotta shifts.

ASHLEY: Yes, he did.

JOSH MANKIEWICZ: That was a problem.

ASHLEY: Yes.

You can watch “Dateline: Out of the Darkness” on KSN Friday at 9 p.m.

About ‘Dateline’

“Dateline NBC” is the longest-running series in NBC primetime history and is in its 30th season. Dateline is anchored by Lester Holt and features correspondents Andrea Canning, Josh Mankiewicz, Natalie Morales, Keith Morrison and Dennis Murphy.

Dateline is the #1 Friday newsmagazine and reaches more than 17 million people every week through its broadcast, and millions more through its social media platforms and podcasts.

The stories range from compelling mysteries to powerful documentaries and in-depth investigations. When major news breaks, they go to the scene, putting the pieces together to bring the viewer the full picture. And in every story they tell, they help the real people who lived the events share their journeys with the viewer.