Follow 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. A suburban wife and mother who led a secret double life, her remarkable contributions to the science of cryptology would only come to light decades after her death when classified...

Chester Nez, the last surviving member of the original twenty-nine code talkers, discusses his life growing up in the Checkerboard Area of the Navajo reservation, and shares the story of how he helped the United States develop and implement a secret military language based on his native language during World War II that became the only unbroken code in modern warfare.