Savannah Guthrie makes an emotional plea to her mother's kidnappers

Savannah Guthrie, a 'Today' show host, released a video pleading with her mother's kidnappers to reveal her location after Nancy Guthrie, 84, disappeared on Feb. 1 from her Arizona home. Authorities found blood near her doorstep and surveillance showed a masked man, while volunteers searched the desert. Ransom notes were reported, with some dismissed as extortion.