Nancy Guthrie, the mother of “Today” co-host Savannah Guthrie, was last seen in Tucson the night of Jan. 31.

The 911 communications center fielding tips in Nancy Guthrie’s disappearance has been swamped by calls

Investigators are exploring whether the masked suspect seen outside Nancy Guthrie's home on the night she went missing had help. Today star Savannah Guthrie's 84-year-old mother mysteriously vanished from her Arizona home on February 1,

A new report claims that the FBI has contacted Mexican federal law enforcement in the ongoing investigation into Nancy Guthrie's kidnapping. That story broke only hours after Pima County Sheriff

The search for 84-year-old Nancy Guthrie began after she was abducted from her home near Tucson, Arizona, early on Sunday, Feb. 1, authorities said.

From chilling surveillance footage and alleged ransom notes to DNA and a collection of gloves, here’s a look at what we know about the evidence in the Nancy Guthrie investigation.

Doorbell video and broken floodlights point to multiple suspects in Nancy Guthrie abduction case. Experts analyze evidence in mysterious disappearance.

An attorney for a Tucson man and his mother is speaking out after both were detained during an FBI investigation last week.

Here's what to know about the DNA evidence collected so far in the investigation into Savannah Guthrie's missing mother and what results are pending.