India, June 22 -- Savannah Guthrie honored her husband, Michael Feldman, with a heartfelt Father's Day message on Instagram.

On Sunday, Guthrie posted a photo of her two children, daughter Vale, aged 11, and son Charley, aged 9, embracing their father, accompanied by the caption: "Our hero. Happy Father's Day."

Nancy Guthrie, the mother of the Today cohost, has been missing from her residence in the Catalina Foothills region of Tucson, Arizona, for over four months.

The last sighting of Guthrie occurred at approximately 9:45 p.m. on January 31, when a family member dropped her off at home following dinner. She was reported missing around noon the following day after failing to arrive at a friend's house to view a church service online....