India, March 29 -- An ex-FBI officer has warned 'Today' show host Savannah Guthrie and her family that the suspect behind their 84-year-old's kidnapping has waged a 'campaign of terror'. This comes as Savannah recently addressed the several ransom notes she received after Nancy's disappearance. "I believe the two notes that we received that we responded to, I tend to believe those were real," she told told Hoda Kotb in a 'Today' interview last week.

Reports stated that the kidnapper demanded millions of dollars worth of Bitcoin in exchange for Nancy's safe return. Former FBI officer Jennifer Conffindaffer noted that the two notes, which Savannah believes are real, could be Pima County police's best lead in the case so far.

"The most imp...