In an emotional video posted to Instagram on late Wednesday afternoon, “Today” anchor Savannah Guthrie pleaded for her missing mother to come home. The TV anchor’s video came on the fourth day of the desperate search for 84-year-old Nancy Guthrie.

0:00 Savannah Guthrie's Instagram post

5:12 Increased police activity outside Nancy Guthrie's home

7:07 Sciutto and McCabe reflect on FBI's next steps

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