As the search for Nancy Guthrie enters its third month, legal and true crime journalist Ashleigh Banfield has revealed another reason why the Pima County Sheriff's Department's investigation into what happened to the 84-year-old has turned into a complete "mess," Wonderwall.com can report. During a recent episode of her "Drop Dead Serious" podcast, Banfield told listeners that authorities are only now getting around to interviewing contractors and subcontractors who worked on or near the home in the Catalina Foothills area of Tucson, Ariz.