Nancy Guthrie case: Ex-FBI explains how kidnapper can be caught with key piece of evidence; ‘could be very good sign’
Nancy Guthrie remains missing, three months after her family reported the case on February 1. Authorities believe she was taken from her Catalina Foothills home near Tucson, Arizona, the night before. Amidst this, a former FBI agent has suggested that a key piece of evidence recovered from Guthrie‘s home could help move the case along….

