Today co-anchor Savannah Guthrie ‘s mom, Nancy Guthrie, is still missing six weeks after the abduction from her Tucson, Ariz.

Brian Entin is spotlighting the biggest lead after speaking to a forensics professor at Arizona State University.

Nancy Guthrie, the mother of ‘Today’ show host Savannah Guthrie, has been missing since January 31 ...

FBI recovered additional images from security cameras at the 84-year-old's home showing several people in days before her January 31 disappearance ...

April Stonehouse, forensics professor at Arizona State University, analyzed key breakthroughs in the search to find Nancy Guthrie.

DNA evidence could provide an important breakthrough in the search for missing Arizona woman Nancy Guthrie, according to a forensic expert. Investigators may still find valuable biological material ...

Nancy Guthrie remains missing six weeks after her disappearance was reported by authorities on February 1, with her family ...