One day his superiors caught him studying German vocabulary instead of guarding a checkpoint in the snow. They marched him to an upstairs office where he expected disciplinary action. Instead he was introduced to two members of Statni bezpecnost – the Czechoslovak secret State police. The StB was a shadowy spy agency that reported directly to the Soviets.
Source: Pocket – The Spy With No Name
An incredible story that just goes to show how far some spies will go in deceiving others. This Czech man created a whole new identity as a Dutch person!