Where MH17 was shot down. (Diagram credit). Also see http://www.flightradar24.com/data/airplanes/9m-mrd/#3d6095b .
The "Buk" SA-11 surface to air missile (SAM) system that was used by the Russian military directed separatists. It shows the 25 km ceiling-altitude of the missile - which was more than enough to shoot down MH17 - hence murdering those aboard. (Diagram credit )
A Buk missile system was captured by pro-Russian separatists 3 weeks before the shootdown. That short training period would have given the Russian rebel Buk missile operators sufficient time to learn how to fire the missiles - but, as it transpires, insufficient time to learn the procedures to avoid hitting civilian aircraft - like MH17.
JULY 18, 2014 - ONE DAY AFTER THE SHOOTDOWN
RUSSIAN MILITARY INTELLIGENCE CONTROLLED THOSE WHO SHOT DOWN MH17
The Kyiv [Kiev] Post, July 18, 2014 reported, http://www.kyivpost.com/content/ukraine/separatists-admit-downing-a-civilian-plane-in-tapped-conversation-full-transcript-356545.html :