Knitting as Espionage, Part Two: Legendary Spies -- and One Traitor

Espionage takes many forms. As Ben, Noel and Max learned in the first part of this two-part series, one of those forms was knitting. In today's episode, the guys explore the stories of phenomenal spies who used knitting as a form of top-secret communication. See omnystudio.com/listener for privacy information.