Article continues below advertisementA group of local volunteers looking for Savannah Guthrie's missing mom, Nancy Guthrie, discovered a backpack on a road not far from Nancy's Tucson, Ariz., home - however, Sheriff Chris Nanos confirmed the bag is not the same one their suspect was seen with.The sheriff shared the update on the Monday, February 23, episode of Today.Article continues below advertisementThe Suspect's Backpack Is Sold at WalmartSource: pima country sheriff's officeNancy Guthrie was reported missing on February 1.