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Dateline NBC

Talking Dateline: Deadly Detour

Dateline NBC

NBC News

Society & Culture, News, True Crime, Culture, Social

4.440.3K Ratings

🗓️ 25 March 2026

⏱️ 27 minutes

🧾️ Download transcript

Summary

Blayne Alexander sits down with Josh Mankiewicz to discuss his episode, “Deadly Detour.” In 2016, Atlanta power couple Diane and Tex McIver were driving home with a friend when Tex’s gun went off and fatally shot Diane through the passenger seat. Tex said the gun went off accidentally, but investigators disagreed. They believed Tex McIver intentionally pulled the trigger to kill his wife and inherit her money. Tex went to trial in 2018, where he was convicted of felony murder and sentenced to life in prison. Then, in 2022, the Georgia Supreme Court overturned the verdict. Tex pleaded guilty to involuntary manslaughter, and in 2025 was released from prison on parole. Josh talks about what it was like to drive the fatal route with the McIvers’ friend, Dani Jo, and Blayne describes her days as a local reporter in Atlanta, covering some of the same lawyers who worked on the case. Later, Josh shares an extra clip from his interview with three jurors from Tex’s murder trial and answers your questions from social media. Have a question for Talking Dateline? DM us @DatelineNBC or leave a voicemail at (212) 413-5252 – your question could be featured in an upcoming episode. Listen to the full episode of “Deadly Detour” on Apple: https://apple.co/40NOexH Listen on Spotify: https://open.spotify.com/episode/7MAhho9QOzM8UiioenDEEb

Transcript

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0:00.0

Hi, everyone. I am Blaine Alexander, and today we are talking Dateline. I'm so happy to be joined by my good friend Josh Mankowitz. Hi, Josh. Hello.

0:14.4

We are here to discuss your episode, Deadly Detour, and what an episode it was. So if you haven't seen it, you can watch the episode on

0:22.1

Peacock or listen to it in the Dateline podcast feed and then come right on back here for this

0:26.8

conversation. Later, we'll have an extra clip from Josh's interview with several jurors from this

0:31.9

case. Then Josh will answer some of your social media questions about the episode. All right, Josh,

0:37.3

my friend,

0:37.7

let's talk Dateline. Just for our viewers who may not be as familiar, just kind of give us a

0:41.8

quick rundown of what happened here. Well, you know, Tex McIver was, was an attorney in Atlanta

0:50.1

and a very big deal and had been for a long time.

0:56.1

And he was married to Diane, who was also a very big deal in business in Atlanta.

1:02.7

And so they were sort of this power couple.

1:05.2

And they had this property way, way, way outside of town.

1:10.4

And they had been there for the weekend and they were coming back.

1:15.2

And as they were getting off the freeway, something happened.

1:20.9

In Texas version of what happened, he thought he was driving into the middle of a Black Lives Matter protest,

1:32.0

which he was not.

1:34.5

But he did say that.

1:37.0

He was not driving.

1:38.3

And Diane was not driving.

1:39.8

Driving was their friend, Danny Joe.

1:43.0

Because he was afraid of what he thought was about to happen,

1:49.0

and I will say that that sort of strains credulity a little bit,

...

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