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.
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Double Homicide Discovery
- Mike Sisco and Karen Harkness were found dead in Karen's home after a planned family cookout.
- Their parents discovered the bodies, leading to a shocking and devastating scene.
Initial Investigation
- The initial assumption of a murder-suicide was quickly dismissed due to the absence of a gun and excessive gunshot wounds.
- The case was deemed a double homicide with a killer on the loose, setting off a complex investigation.
Families Notified
- While police investigated, the families began notifying loved ones, including Mike's daughter, Haley.
- The couple had been happy and planning a Caribbean honeymoon, adding to the tragedy.