The Arizona sheriff helming the investigation into Nancy Guthrie's disappearance gave an update about where the case stands on its 100th day.
In an interview with local station KOLD published May 12, Pima County Sheriff Chris Nanos reaffirmed that both local investigators and the FBI remain actively involved in solving what happened to the 84-year-old mother of "Today" anchor Savannah Guthrie.
"They are working hard to get this resolved, and I think every day they get closer," Nanos told the outlet.
The elderly mother was last seen Jan. 31 before an apparent kidnapping in her Catalina Foothills neighborhood directly north of Tucson, Arizona.
Nanos confirmed that the FBI has been involved since "Day One," and said authorities are working with labs on both the "digital end or the biological end, DNA."
