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A Mother's Fight: Unidentified DNA on Nancy Guthrie's Property Linked to Gruesome Double Murder

  • Nishadil
  • February 14, 2026
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  • 4 minutes read
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A Mother's Fight: Unidentified DNA on Nancy Guthrie's Property Linked to Gruesome Double Murder

Chilling Discovery: DNA Not Belonging to Nancy Guthrie Becomes Key Evidence in Daughter's Murder Case

Months before her daughter, Katherine Janness, and Katherine's partner, Rossana Delgado, were brutally murdered, unidentified DNA was collected from Nancy Guthrie's property. This shocking evidence has now been linked directly to the crime scene, fueling a mother's desperate search for answers and a significant lawsuit against authorities.

Imagine the unimaginable: losing your daughter and her partner in a horrific act of violence. Now, layer onto that already unbearable grief a chilling detail, one that suggests a crucial piece of the puzzle might have been sitting there, overlooked, for months. This is precisely the agonizing reality Nancy Guthrie has been forced to confront, as new information reveals that DNA, definitively not her own, was collected from her property well before the tragic murders of her daughter, Katherine Janness, and Katherine’s partner, Rossana Delgado.

The story, as it unfolds, is nothing short of heartbreaking and, frankly, perplexing. Back in January 2021, authorities, for reasons not fully detailed in initial reports, collected DNA samples from Nancy Guthrie's property. At the time, perhaps it seemed like a routine part of an investigation, or maybe even an exploratory measure. But here’s the kicker, the detail that sends a shiver down your spine: this particular DNA, identified as belonging to an unknown individual, has since been directly linked to the crime scene where Katherine and Rossana were found brutally murdered in July 2021.

Think about that for a moment. Months before the unspeakable happened, evidence from an unknown person was present at the home of one of the victims' mothers. And now, it's a match to the scene of the crime. It naturally begs a myriad of questions: Who did that DNA belong to? Why was it there? And perhaps most pressingly, what could have been done with this information had its significance been fully understood or acted upon earlier?

For Nancy Guthrie, this revelation isn't just a new piece of evidence; it's a renewed surge of pain and, quite rightly, a profound sense of injustice. It’s led her to take drastic action, filing a lawsuit against the city of Atlanta. Her suit alleges, among other things, negligence in the handling and investigation of the crucial DNA evidence. You can only imagine the torment of a mother who believes that perhaps, just perhaps, earlier diligence could have prevented such an horrific outcome or at least led to swifter justice.

The implications here are enormous, touching on the very core of forensic investigations and the public's trust in law enforcement. When such a critical piece of evidence—unidentified DNA found months prior to a double homicide, then later matching the crime scene—comes to light, it casts a long shadow. It forces a hard look at procedures, timelines, and the communication between various investigative bodies.

As this case continues to develop, with Nancy Guthrie bravely seeking accountability, the spotlight remains firmly on that unidentified DNA. It’s a stark reminder that sometimes, the smallest, most seemingly innocuous details can hold the key to the biggest mysteries, especially when a mother is fighting for the truth her family so desperately deserves.

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