India, May 14 -- Nancy Guthrie was reported missing from her home on February 1. Authorities believe the 84-year-old mother of Savannah Guthrie was taken from her Catalina Foothills home, near Tucson, Arizona, the night before. Now, a former FBI agent has shared insights into how the kidnapper may be identified.

It has been over three months that Guthrie went missing and neither the Pima County Sheriff's Department, nor the FBI, have named any suspects publicly. Guthrie also remains to be found, but the FBI did release video footage of a masked man at the octogenarian's home.

The individual was seen wearing gloves and carrying a black Ozark Trail backpack. The person, identified as male, is reportedly between 5'9" and 5'10" tall with an...