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Dateline NBC

Deadly Obsession

Apr 8, 2025
This week features Richard Volley, a seasoned homicide detective from Topeka, who unravels the complex double murder of Mike Sisco and Karen Harkness. Joined by Haley Sisco, Mike's daughter, they discuss her haunting investigation into her mother's possible involvement. Tensions escalate as they explore emotionally charged family dynamics, secret recordings, and the challenges of justice amidst betrayal. Their gripping insights reveal the layers of grief and unresolved suspicion that linger long after the tragedy.
01:22:39

Podcast summary created with Snipd AI

Quick takeaways

  • The brutal double homicide of Mike Sisco and Karen Harkness in 2002 shocked their families and highlighted the dangers within seemingly quiet communities.
  • The investigation revealed intricate family dynamics, with Mike's children and Karen's ex-husband emerging as scrutinized suspects, complicating their relationships with the victims.

Deep dives

The Crime Scene and Initial Reactions

A double homicide took place on July 7, 2002, in Topeka, Kansas, when Mike Sisco and his girlfriend, Karen Harkness, were found shot in her basement. The reaction from family members was one of disbelief and horror as they arrived at the scene, only to learn that the couple had been brutally murdered, suggesting a crime fueled by rage. Initial assumptions quickly shifted from a potential murder-suicide to a realization that a violent killer was still at large, raising concerns about safety in their normally quiet neighborhood. Detectives faced numerous challenges, including the absence of DNA or fingerprints, which led to frustration amongst the victims' families due to the slow progress in the investigation.

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