India, March 13 -- The disappearance of Nancy Guthrie, the 84-year-old mother of Savannah Guthrie, has new information emerging after a private investigator suggested the kidnapping may have been carried out by an inexperienced perpetrator.

The case remains unsolved weeks after Guthrie vanished from her home in Tucson, with ongoing investigations by federal and local authorities.

Guthrie was last seen on the evening of January 31 after returning to her home in the Catalina Foothills area outside Tucson. She was reported missing the following day after failing to attend a scheduled church livestream and not responding to calls from family members.

Authorities later found surveillance footage that captured a masked suspect wearing gloves...