From an investigative standpoint you always have to assume the worst.
How many polish leaders over the years were killed in a plane? Anybody know, seems like after WWII there were a bunch weren't there?
I just listened to the video through headphones and at exactly 50 seconds in the video, you can clearly hear "Davai gnata, kurva!" VERY CLEARLY. Seconds later, shots--#1 shot is the loudest with clear echo.
Here is the video again (you posted it already at least 15 times now)
You Rusy are stupid bastards!!!