The captured crew were beaten and nearly starved in the 1968 incident that almost led to another war—and the ship remains in North Korea.
How freed slave Mary Bowser and abolitionist Elizabeth Van Lew teamed up to spy on Confederate President Jefferson Davis and got away with it.
Throughout history, tattoos have played an important role in the espionage game.
It's in Montclair, New Jersey.
On May 10, 2002, former FBI agent Robert Hanssen was sentenced to life in prison for selling U.S. secrets to Moscow.
A new book delves into the secret espionage past of Ernest Hemingway, America’s best-known novelist and one of the most famous figures in the history of literature.
Some 13,000 men and women worked for the Office of Strategic Services (OSS), the U.S. intelligence agency during World War II and the forerunner of the modern CIA.
Newly declassified files have revealed how one of Britain’s greatest double agent’s marital troubles threatened his cover and could have altered the course of World War II.
Read about Roald Dahl’s secret life befriending presidents and bedding socialites as part of a British spy ring in the United States.