India, Feb. 11 -- Investigators have released the first surveillance footage linked to the disappearance of Nancy Guthrie, the mother of Today show host Savannah Guthrie. Authorities say the newly recovered video provides the clearest look yet at a mysterious individual who approached her Arizona home on January 31, the night she vanished.

The case has drawn nationwide attention as officials continue searching for answers while also questioning a detained individual connected to the investigation.

What Does The New FBI Surveillance Footage Show?

Images and videos released by the FBI show a masked person standing on the porch of Guthrie's home. The individual appears to wear a ski mask, carry a backpack, and have what looks like a gun h...