The FBI has arrested someone accused of posing as being involved in the kidnapping of Savannah Guthrie's mom, Nancy Guthrie, as the search for the 84-year-old continues. At a February 5 press conference, FBI Phoenix Special Agent in Charge Heith Janke said the arrest involves an imposter ransom demand, with a complaint presented to a magistrate judge later that day. Janke said there's no evidence linking the imposter to Nancy's case, calling it an attempt to profit and warning others not to tr