Authorities appeal for help from public in search for Nancy Guthrie

Authorities said they were continuing their search after Nancy Guthrie, the mother of Today co-host Savannah Guthrie, was taken from her Tucson home over the weekend. Pima County Sheriff Chris Nanos told reporters they were looking at all leads, including attempting to secure surveillance video from around the home. NBC News' Tom Winter breaks down what we know so far in the case.