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.

CLASSIC: Prohibition, Prescriptions and the Rise of 'Medicinal' Booze
31:41

Fort Sauerkraut: North Dakota’s Strange, Ill-Planned Origin Story
38:02

The Bizarre Tale of the 1909 Catnip Riot
35:52