American Experience: The Codebreaker tells the fascinating story of Elizebeth Smith Friedman, the groundbreaking cryptanalyst whose painstaking work decoding thousands of messages for the U.S. government would send infamous gangsters to prison and bring down a massive, near-invisible Nazi spy ring in WWII. Producer: Chana Gazit, Hilary Klotz Steinman, Vanessa Ruiz, Author: Chana Gazit. Narrator: Kate Burton