India, Feb. 9 -- The latest alleged ransom note tied to the kidnapping of the 84-year-old Nancy Guthrie has revealed details about the kidnappers, former CIA member and FBI special agent Tracy Walder told Page Six.

Nancy Guthrie's kidnapping case has now entered its second week, as investigators, family and the FBI work against the looming deadline of Monday, February 9, to pay the ransom.

The ransom demands a payment of $6 million in Bitcoin by 5 p.m. MT on Monday. Walder says the ransom note is "carefully crafted" and technically savvy.

According to ex-CIA agents and experts, the ransom note signifies that the kidnappers are seasoned and "definitely know what they're doing."

Walder described the nature of encrypted emails, VPN use a...