In the life of a scout, many things sometimes happen completely differently than in the movies. But the battles of the fighters of the “invisible front” do not become any less exciting and dramatic. One of the best intelligence officers of the Great Patriotic War is Hero of the Soviet Union Nikolai Kuznetsov, also known as Wehrmacht Lieutenant Paul Siebert. People who knew Kuznetsov the intelligence officer closely acted together with him in the enemy rear, noting his qualities such as amazing linguistic abilities, the ability to transform with lightning speed, charm, resourcefulness, courage, they put composure and restraint in the first place in his character. What is he, the life and combat path of a native of a small Ural village? What do we know for sure today about the death of Kuznetsov and his group?