Article continues below advertisementInvestigators still hoping to bring Nancy Guthrie home have asked the 84-year-old's neighbors for security footage from a month ago. Today anchor Craig Melvin told viewers at the top of Thursday, February 12, episode, "Some of Nancy's neighbors say they've received alerts from investigators requesting footage from their own security cameras for specific dates and times."Meanwhile, NBC reporter Liz Kreutz explained that those in the Tucson, Ariz., area neighborhood with doorbell cameras are expected to provide videos from between 9 p.m.