Adam Mosseri, the head of Instagram, testified on Wednesday that he does not think users can be “clinically addicted” to the social media app.

Savannah Guthrie shared a new Instagram video addressing the person responsible for her mother’s disappearance, saying, “It is never too late to do the right thing.” NBC News’ Cori Coffin and Dana Griffin report on the investigation after a glove containing DNA evidence was found roughly 2 miles from Nancy Guthrie’s home.

Law enforcement agents have been gathering more potential evidence as the search for “Today” show host Savannah Guthrie 's mother heads into its third week.

A glove containing DNA evidence that was recovered roughly 2 miles from Nancy Guthrie’s home appears consistent with a glove worn by a person seen in a doorbell camera video from the morning she disap...