Nancy Guthrie Case: Former FBI Agent Shares 'Fear' After Telling Update

It's been well over a month since 84-year-old Nancy Guthrie went missing from her Arizona home in an apparent kidnapping. Despite a high-profile investigation that has now gone on longer than a month, authorities have still not shared many significant updates in the case.

Now, after what seems like a telling move from authorities at this point in the investigation, one former FBI agent is beginning to fear that authorities may not be all that close to solving the case.

'Not Close to a Resolution'

On Thursday afternoon...