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Dateline NBC

Deadly Mischief

28 Oct 2025

Transcription

Chapter 1: What is the main topic discussed in this episode?

0.031 - 19.62 Unknown

Hi there and happy holidays. Or as I like to say, holidays. It's Craig and Savannah from The Today Show inviting you to spend the holiday season with us. We're spreading holiday cheer with special live performances from Gwen Stefani, Lady A, and Brad Paisley. Plus, some of Hollywood's biggest stars stop by for our annual toy drive.

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19.88 - 26.65 Lester Holt

It's the most wonderful time of the year and there's no better way to spend it than with The Today Show family every morning on NBC.

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26.831 - 29.835 Unknown

From our family to yours, happy holidays.

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30.457 - 31.82 Lester Holt

Tonight on Dateline.

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32.02 - 42.762 Donna Adelson

They claimed that I, this grandma, was the mastermind behind the murder. Never in a million years would I have wanted Danny to be harmed or killed.

44.108 - 53.563 Lester Holt

A stunning new turn in a twisted family saga of murder and betrayal. The 70-something-year-old woman who bakes banana bread and takes care of her grandchildren.

53.704 - 56.829 Unknown

It's hard to embrace that she could commit such a heinous act.

57.85 - 65.122 Lester Holt

Her son, Charlie, knew how to get it done. He was Donna's right hand. The daughter, Wendy, is at the center of this entire story.

65.222 - 68.648 Dan Markell

I was not involved in any plot to kill Danny.

Chapter 2: What led to the murder of Dan Markell?

98.615 - 106.134 Lester Holt

I'm Lester Holt, and this is State Live.

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110.024 - 113.653 Dan Markell

Here's Dennis Murphy with Deadly Mischief.

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119.658 - 135.326 Lester Holt

For 50 years, contestants have been spinning that wheel and trying to solve that puzzle. It's a bit like trying to solve a crime. Each clue revealed brings a bigger picture into focus. And that brings us to a certain contestant in 1989.

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135.346 - 140.929 Dennis Murphy

We now meet Donna Adelson. Coral Springs, Florida. I want to hear all about you, Donna. Let's go.

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140.949 - 143.813 Donna Adelson

Well, I'm a domestic coordinator.

143.833 - 144.795 Dennis Murphy

A domestic coordinator.

144.915 - 154.109 Lester Holt

Back then, Donna did just great on Wheel of Fortune. She solved the puzzle. On Wheel, the idea of the game is to fill in the blank. Do you remember what hers was? I remember it well. Donna.

154.169 - 156.433 Dan Markell

F. Yes. Mischief maker.

156.553 - 168.795 Lester Holt

Mischief maker. Yeah, that's it, Donna. And oh, what fatal mischief Donna Adelson would make. Here she is 34 years later, writhing in a police van under arrest.

Chapter 3: Who are the key family members involved in the case?

185.069 - 191.395 Lester Holt

And just how did she find herself in a jumpsuit facing trial for murder? Please come up to the witness stand, Ms. Edison.

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191.415 - 194.058 Unknown

Donna, in my mind, is the architect.

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194.398 - 213.633 Lester Holt

I didn't do this. Tonight, we bring you the latest chapter in this hair-raising tale. This is not justice. It is vengeance. Mrs. Adelson, control yourself. With brand new evidence. She actually called me her jail daughter. All the explosive testimony, including the prosecution's newest star witness.

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213.893 - 216.856 Donna Adelson

How do you know the defendant in this case, Donna Adelson?

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217.176 - 217.697 Wendy Adelson

She's my mother.

218.798 - 246.054 Lester Holt

But first, we have to roll back the years to the summer of 2014 in sunny Tallahassee, Florida. The opening scene of what I've come to think of as a Shakespearean-like drama. A tale of bitter divorce, dueling grandparents, twisted family ties, and the custody of two little boys that all started with one tragic and mysterious murder. It's right next door to my house. 11 a.m.

246.134 - 266.35 Lester Holt

on July 18th, a man heard gunshots from a neighboring garage and quickly called 911. He's inside, the car is running, and he's got blood all over his head. He was Dan Markell, a beloved and accomplished law professor at Florida State University. Markell had just arrived home from the gym when he was shot twice in the head.

266.831 - 283.174 Lester Holt

His car window smashed, his eyeglasses broken, his assailants apparently pulling away. The car was backing up. It was light colored, white or silver. I want to say it was a Prius. When Dan's friends, Jared and Heather Ross, first heard about a shooting in town, they couldn't believe it.

Chapter 4: How did the investigation unfold following Dan's murder?

283.595 - 306.551 Lester Holt

Then Jared got word who the victim was. I went into the bedroom and I kind of woke Heather up. I said, it was Danny. And she kind of looked at me like, what, what? And I said, the shooting on Trescott, it was Danny. Tallahassee authorities reached Dan's parents, Ruth and Phil Markell, that afternoon. Shot. That doesn't make sense. No. Who would ever want to shoot Dan Markell?

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306.951 - 316.222 Unknown

For me, it was an out-of-body experience. Like, I can't, you know, even, don't even want to think about it in terms of that the moments were so horrific.

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317.363 - 346.883 Lester Holt

They quickly made their way to Tallahassee, but never did get to say goodbye. Dan Markell died overnight in the hospital. It's tough to talk about until now. Dan's friend Josh Berman got the call at home in New York. I put the phone down. I sat there on the bed with my head in my hands. I was like, you know, speechless. Dan Markell was just 41. A loving friend and father was now gone.

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346.964 - 349.227 Lester Holt

not to mention a brilliant legal mind.

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349.428 - 351.47 Dan Markell

Our second speaker is Dan Markell.

351.691 - 360.664 Lester Holt

A native Canadian and Harvard graduate, he was a sought-after speaker at legal conferences across the country, including this appearance for the Federalist Society.

360.784 - 365.751 Dan Markell

I guess I've been working in the realm of punishment theory for the last dozen years or so.

366.272 - 371.419 Lester Holt

Incredibly gregarious guy. Mark Spotswood was a colleague of Dan's at FSU Law School.

371.759 - 387.553 Unknown

What was his passion? What drove him in the law? His research focus and his passion was figuring out why we ought to punish people, really digging into the philosophical justifications for punishment, to think about how could we make better choices about sentencing.

Chapter 5: What role did Wendy Adelson play in the events leading to the murder?

766.256 - 772.241 Dan Markell

I asked him to just no contact for a week just so I could kind of figure out whether I wanted to be with him or not.

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Chapter 6: What evidence linked the Adelson family to the murder plot?

772.401 - 773.582 Lester Holt

When did you ask him that?

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773.602 - 774.763 Dan Markell

Monday night after yoga.

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775.144 - 787.28 Lester Holt

Just a few days before Dan Markell was gunned down in his garage, Wendy said she wanted to cool things off because Jeff had become increasingly jealous. Is Jeff a violent person?

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787.48 - 787.74 Katie Magbanawa

No.

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788.421 - 788.842 Lester Holt

Not at all?

789.463 - 790.605 Katie Magbanawa

No.

790.625 - 791.326 Lester Holt

Jeff own a gun?

792.327 - 796.253 Katie Magbanawa

I don't think so. I mean, he certainly could have a gun and I wouldn't know about it.

797.414 - 803.243 Lester Holt

So the Tallahassee police tracked down Jeff Lacoste, who had a lot to say about Wendy. Have you met Wendy?

Chapter 7: How did the trial against Donna Adelson progress?

1355.292 - 1358.898 Donna Adelson

In light of the circumstances, it wouldn't be any big deal if he was alive and well with us.

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1359.979 - 1371.177 Lester Holt

It was all very interesting, this smoke gathering around Wendy Adelson and her family of dentists. Then word came from the Leon County Jail. One of the state's suspects wanted to talk.

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1371.197 - 1372.9 Dennis Murphy

Because I asked him, why are you going to do a kidney check?

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1384.945 - 1408.457 Lester Holt

The two hitmen accused of killing Dan Markell sat in jail for months, while Tallahassee investigators kept trying to figure out who had hired them for the job. Then, one of them decided to confess. Luis Rivera pleaded guilty to second-degree murder in exchange for a reduced sentence. He told investigators that Garcia said he had a contract to kill Dan and needed the gangbanger's help.

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1408.837 - 1417.828 Katie Magbanawa

I'm going to kill this guy. You're going to get paid this much, $35,000. We're driving. He showed me a picture of Markel.

1417.848 - 1422.894 Lester Holt

The night before the murder, Rivera said, they checked into a motel not far from Dan Markel's home.

1423.514 - 1455.317 Katie Magbanawa

Friday morning. I mean, it's as cold-blooded a killing as you can get to drive all the way to Tallahassee and pull up into someone's driveway that you don't know and just shoot them in cold blood.

1455.753 - 1486.629 Lester Holt

And Rivera offered an answer to the cop's biggest question. What was the motive for Dan Markell's murder? The lady who wanted full custody of the kids? It sounded like he was talking about Wendy Adelson. Rivera went on to tell police that after his partner, Sigfredo Garcia, killed Dan Markell, they quickly hit the road back to Miami, and Garcia made a phone call.

1487.37 - 1494.147 Katie Magbanawa

He called her, and he said, everything is done. Make sure you have my money. I'm on my way.

Chapter 8: What was the verdict in Donna Adelson's trial?

1933.606 - 1937.537 Lester Holt

Not even for that augmentation surgery. Charlie didn't pay for that.

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1937.898 - 1939.322 Unknown

How did you pay for your breast implants?

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1939.884 - 1958.344 Lester Holt

Well, from my cash tips. All along, the state had hoped Katie would turn and reveal other figures as the real masterminds of the murder. But she didn't. Still, Katie couldn't deny that she was intimately connected to Charlie and the Adelson family. Charlie's own sister came to court and provided evidence for that.

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1958.459 - 1960.221 Dennis Murphy

My name is Wendy Adelson.

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1960.241 - 1982.664 Lester Holt

Wendy was given some immunity to testify. Her statements on the stand couldn't be used against her. She told the jury she had never met the alleged hitman, Sigfredo Garcia, but she had met Katie. The state showed the jury this photo of the two of them on the beach together in June 2014, just a month before Dan's murder.

1982.684 - 1984.686 Dennis Murphy

Do you know where the photo was taken? I think that's South Beach.

1985.375 - 1996.091 Donna Adelson

Yes. She was dating my brother.

1996.792 - 2002.681 Lester Holt

But the idea that Katie was part of a conspiracy that involved her family? Wendy pleaded ignorance.

2002.701 - 2012.496 Donna Adelson

Were you involved in any way in a plot to kill Dan Markell? No. Do you have any knowledge of anyone being involved in a plot to kill your husband? No.

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