The frantic search for Nancy Guthrie continues, and so far, authorities have not arrested anyone for the alleged kidnapping. Now, a former CIA officer and FBI special agent has weighed in, saying that Savannah Guthrie’s mother was likely “stalked for some time” before being taken from her home. Came extremely well-prepared? Authorities have deployed multiple teams to Tucson to search for Nancy Guthrie, the 84-year-old mother of Today host Savannah Guthrie. But they face major hurdles: rough terrain, little evidence, no suspects, and the unclear source of the supposed ransom note. Exactly how, and by whom, Nancy was taken remains unclear at this point. But one person with experience in cases like this has offered a theory about what may have happened. Tracy Walder, a former CIA operative and FBI special agent who spent years working for both agencies and now teaches at Texas Christian University, believes there are signs Nancy Guthrie may have been stalked prior to her kidnapping....