Article continues below advertisementIn the ongoing investigation into the disappearance of Nancy Guthrie, the 84-year-old mother of TODAY show co-anchor Savannah Guthrie, forensic experts have analyzed a trail of blood found at her Tucson, Ariz., home and determined she may have been bleeding very quickly when she was abducted.Forensic scientist Amy Santoro of Santoro Forensics provided a detailed bloodstain pattern analysis of the scene on the Tuesday, March 17 episode of "The Megyn Kelly Show."Droplets were found leading from the home's front entrance to the edge of the driveway.