India, July 28 -- Savannah Guthrie has posted a new video urging those responsible for her mother Nancy Guthrie's unsolved disappearance to "do the right thing" and tell her family where to find her, nearly six months after she went missing.

In an Instagram video posted on Monday, captioned "Bring her home" with a yellow heart emoji, the Today host made an emotional appeal. "It has been months since our mom was taken from us," Guthrie said. "Our family is in agony. We are in a nightmare that will not end. Nothing about our situation has changed. We have done our part, and we will never stop looking for her. We will always ache for her and feel that hole in our hearts," she said.

She added, "The world can be a cruel and unforgiving place...