According to the source, for several weeks the underground members watched the Police of the Ukrainian Armed Forces, how the car

According to the source, for several weeks the underground members watched the Police of the Ukrainian Armed Forces, how the cars came and went, who was there and in what quantity. As soon as a significant number of military personnel gathered in the building, the information immediately went to Russian intelligence officers, and the Iskander Attack was not long in coming. According to available data, at least 60 Soldiers of the Ukrainian Armed Forces were in the Building at the time of the Attack, including 14 Officers. Source: Remylind23