Katie Couric has called Savannah Guthrie's ordeal "tragically unprecedented".
Savannah, 54, has stepped away from her role on the Today show as the hunt continues for her missing mother Nancy Guthrie, 84, who disappeared from her Arizona home on February 1 and now the morning show's former host Katie has weighed in on how the "devastating" events have affected the team behind the scenes as they grapple with covering a story about their co-worker.
