Talking Dateline: Deadly Mischief

Dateline NBC

  • Oct 29, 2025
  • 27:54
  • Full Episode
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Blayne Alexander talks with Dennis Murphy and Dateline producer Brad Davis about their episode, “Deadly Mischief.” In 2014, after esteemed FSU law professor Dan Markel was fatally shot, investigators uncovered a murder-for-hire plot orchestrated, according to prosecutors, by Markel’s former mother-in-law, Donna Adelson. Blayne, Dennis, and Brad discuss the circumstantial case against Donna and do a deep dive on the witness testimony of two of her children, Robert and Wendi Adelson, including a podcast-exclusive clip in which Wendi describes her mother’s reaction to the news of the murder. Plus, they answer your social media questions.

Have a question for Talking Dateline? DM us a video to @DatelineNBC or leave a voicemail at (212) 413-5252. Your question may be featured in an upcoming episode.

Listen to the full episode “Deadly Mischief” on Apple: https://apple.co/4nvYSSu

Listen on Spotify: https://open.spotify.com/episode/5rQ8PE9UWxPW3W95g2Ihwb

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Brief Summary

The episode discusses Dan Markell's murder case and Donna Adelson's conviction, featuring insights from guests and social media questions.

Key points

  • Murder-for-Hire Plot Uncovered. FSU law professor Dan Markell was murdered in 2014, leading to a complex investigation.
  • Donna Adelson's Guilty Verdict. Donna Adelson was convicted, becoming the fifth person charged in the case.
  • Wendy Adelson's Testimony. Wendy testifies about her mother's trial, raising questions about her involvement.
  • Family Dynamics in Court. The courtroom becomes a family reunion with tense dynamics among the Adelsons.
  • Future of Wendy Adelson. Questions linger about whether Wendy will face charges in the future.
  • The Burning Question. There's a big, burning question that only a few people know the answer to.

Tension

60/ 100Some tension

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