Complex sentence: They escape, but are captured and transported to the Russian military archives, where Minister of Defence Dimitri Mishkin interrogates them.Just as Natalya reveals the existence of a second satellite and Ourumov's involvement in the Siberian massacre, Ourumov arrives and kills Mishkin.
Split into simpler sentences: They escape, but are captured and transported to the Russian military archives, where Minister of Defence Dimitri Mishkin interrogates them. As Natalya reveals the existence of a second satellite and Ourumov's involvement in the Siberian massacre, Ourumov arrives and kills Mishkin.