Experimentum Crucis

During the investigation, Popielski finds a trail of a strange Russian - Boroszwili, who hangs around Murawski's house. Following him, he ends up at Szaberplatz, where Boroszwili is doing business with Colonel Bogdylov himself. Now everything is starting to come together. Edward notifies Chernikov, who launches an internal investigation into the case of Boroshvili and Bogdylov.