Daughter suspects mom was behind murders of her dad & his girlfriend (Part 1 & 2) | Full Episodes

48 Hours

  • Aug 27, 2026
  • 1:25:24
  • Full Episode

Mike Sisco and his girlfriend Karen Harkness were gunned down in her Topeka, Kansas, home in 2002. Authorities believed it was a crime of passion. Sisco's daughter set out to help prove it was her mother, Dana Chandler, who was responsible. CBS News chief correspondent Jim Axelrod reports for "48 Hours" in an update of "My Mother's Murder Trials." This two-part episode aired on July 12, 2026.

True crime. Real justice. "48 Hours" investigates the most intriguing crime and justice cases that touch on all areas of the human experience including greed and passion. "48 Hours," which premiered in 1988, has developed a rich history of original reporting and impact journalism that has helped exonerate wrongly convicted people, caused cold cases to be reopened and solved, and along the way changed lives.

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Brief Summary

Dana Chandler is accused of murdering her ex-husband and his girlfriend, with her daughter believing in her guilt despite Chandler's claims of innocence.

Key points

  • The Shocking Murders. On July 7, 2002, Mike Cisco and Karen Harkness were found shot in their beds.
  • Trial Begins for Dana Chandler. Dana Chandler's trial begins, with her representing herself in court.
  • The Arrest of Dana Chandler. After nearly a decade, Dana Chandler is arrested for the murders.
  • Haley's Emotional Journey. Haley Seal, Dana's daughter, seeks justice for her father and Karen.
  • Verdict Reached. After 83 minutes of deliberation, the jury finds the defendant guilty of first-degree murder.
  • Appeal and Overturning. Dana Chandler's conviction is overturned due to prosecutorial misconduct, raising questions about justice.

Episode highlights

Tension

75/ 100High tension

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