Deadly Obsession

Dateline NBC

  • Apr 8, 2025
  • 1:22:39
  • Full Episode
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Kansas couple Mike Sisco and Karen Harkness are found dead by their parents before a family fish fry in 2002. A years-long search for evidence and three criminal trials over two decades reveal strained dynamics within one victim’s family. Andrea Canning reports.

Keith Morrison and Andrea Canning go behind the scenes of the making of this episode in ‘Talking Dateline’

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Brief Summary

The episode details the double homicide of Mike Sisko and Karen Harkness and the long legal battle against Dana Chandler, Mike's ex-wife.

Key points

  • A Shocking Discovery. Mike and Karen are found dead in a shocking murder scene.
  • Unanswered Questions. Detectives explore the couple's last hours, searching for clues to their murder.
  • Family in Shock. Loved ones grapple with the devastating news of Mike and Karen's deaths.
  • A New Lead. A forged check leads investigators to suspect someone close to Mike.
  • The Unlikely Suspect. The detective's investigation leads to Mike's ex-wife, Dana Chandler, who has a questionable alibi.
  • Haley's Undercover Plan. Determined to uncover the truth, Haley begins secretly recording conversations with her mother.

Tension

85/ 100High tension

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