Nancy Guthrie 'imposter' behind phony ransom notes pleads guilty to federal charges

The accused "imposter" behind a phony ransom demand in the Nancy Guthrie case pleaded guilty to harassing her family with a phony ransom payment Thursday in a federal court in Tucson, Arizona. Guthrie is the 84-year-old mother of "Today" co-host Savannah Guthrie, and she vanished from her home in the city's Catalina Foothills neighborhood in the early hours of Feb. 1. The following day, ransom demands were sent to local media — and investigators continue to look into their authenticity. The FBI