Nancy Guthrie Kidnapper Should Be 'Extremely Worried' After New Evidence, Expert Says

Authorities are continuing to investigate the apparent kidnapping of 84-year-old Nancy Guthrie, the mother of “Today” show host Savannah Guthrie. As the investigation continues, some new evidence has emerged, and one expert seems to think that the kidnapper should be "extremely worried."

Over the weekend, Pima County Sheriff Chris Nanos opened up a bit about some challenges investigators were facing regarding a DNA sample that was collected. However, despite those challenges, one expert...