'Do the right thing': Savannah Guthrie makes new plea in search for missing mother

Savannah Guthrie, co-host of NBC's 'Today,' issued a plea for help in locating her missing 84-year-old mother, Nancy Guthrie, who was taken from her Tucson, Arizona home against her will. Authorities have released footage of a masked man tampering with a doorbell camera, and ransom notes have been received, including one claiming her mother had died. The FBI and Guthrie's family are offering a $1 million reward for her return.