Talking Dateline: Deadly Obsession episode artwork

EPISODE · Apr 9, 2025 · 22 MIN

Talking Dateline: Deadly Obsession

from Dateline NBC · host NBC News

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!Listen to the full episode of “Deadly Obsession” on Apple: https://apple.co/4qbJuMwListen to the full episode on Spotify: https://open.spotify.com/episode/6HMXYws6aYPTcCU8W6xVog  Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Episode metadata supplied by the publisher feed · Published Apr 9, 2025

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Talking Dateline: Deadly Obsession

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