India, May 10 -- Nearly 100 days after Nancy Guthrie disappeared from her home in Arizona, investigators say the case may finally be moving closer toward a breakthrough. The 84-year-old mother of Today show host Savannah Guthrie vanished from her residence in Tucson's Catalina Foothills on February 1. Authorities believe she was abducted from the property around 2:30 AM local time, prompting a massive joint investigation involving the FBI and the Pima County Sheriff's Department.

Only days after her disappearance, the FBI released doorbell footage showing a possible suspect, masked, at the porch. However, they have not been identified yet.

Speaking publicly this week, Sheriff Chris Nanos indicated that investigators are gaining ground. ...