Nancy Guthrie disappearance case is going cold or a breakthrough is coming? Neighbor sighting, FBI investigation and clues raise questions in missing Tucson mother case

Guthrie disappearance case is going cold or a breakthrough is coming? The missing case of Savannah Guthrie’s mother continues to raise questions. Investigators examine a suspicious sighting, blood evidence, and possible kidnapping clues while authorities and experts say a tip from the public may solve the case.