Nancy Guthrie Update: Has Blood Been Found Inside Her Home?

On Tuesday, March 3, the investigation into the disappearance of Nancy Guthrie continues, and questions arose about the status of blood being found in her Tucson, Arizona, home.

Nancy Guthrie, the mother of NBC "Today" show host Savannah Guthrie, has been missing since Feb. 1, when she was taken from her home. On Monday, March 2, the investigation into the abduction entered its fifth week.

New York-based investigative reporter Michael Ruiz has been reporting on the scene. While reporting...