Forensic Files

Talking Dateline: Deadly Obsession

Dateline NBC

  • Apr 9, 2025
  • 22:27
  • Full Episode
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<p>Keith Morrison and Andrea Canning sit down to talk about Andrea’s episode, “Deadly Obsession.” In 2002, Mike Sisco and Karen Harkness were found murdered in Karen’s Topeka, Kansas, home. As the investigation into their deaths unfolded, a suspect emerged with close ties to one of the victims and a history of obsessive behavior. Andrea and Keith discuss the trail of circumstantial evidence that led to an arrest, followed by three trials. And they discuss the wisdom of a defendant choosing to represent themself at trial. Plus, they answer viewer and listener questions from social media. Have a question for Talking Dateline? Leave it for us in a DM on social media @DatelineNBC or in a voicemail at (212) 413-5252 for a chance to be featured on a future episode!</p><p>Listen to the full episode of “Deadly Obsession” on Apple: <a href="https://apple.co/4qbJuMw">https://apple.co/4qbJuMw</a></p><p>Listen to the full episode on Spotify: <a href="https://open.spotify.com/episode/6HMXYws6aYPTcCU8W6xVog">https://open.spotify.com/episode/6HMXYws6aYPTcCU8W6xVog</a></p><p> </p><br/> <p>Hosted by Simplecast, an AdsWizz company. See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for advertising.</p>

Brief Summary

The episode discusses the 2002 murders of Mike Sisko and Karen Harkness and the trials of Dana Chandler, focusing on evidence and jury deliberations.

Key points

  • Deadly Obsession. A chilling tale of murder and obsession, exploring the complexities of a long investigation.
  • Conflicting Stories. Dana's inconsistent accounts raise questions about her credibility and motives.
  • The Jury's Dilemma. A jury foreperson shares insights on the challenges of reaching a verdict in a split decision.

Tension

60/ 100Some tension

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