Nancy Guthrie's Tucson neighbors are still "feeling on edge" as the search for Savannah Guthrie's mom reaches 100 days. "I write this message with a very heavy heart as our friend and neighbor, Nancy Guthrie, remains missing," a Monday, May 11, newsletter written by the President of the Catalina Foothills Association, Will Pew, reads. "On behalf of the Catalina Foothills Association, I wish Nancy's family and close friends love and support; our thoughts are with all of them.