The responsibility for investigation Criminal_investigation was delegated to the Dutch Safety Board ( DSB ) and the Dutch-led joint Collaboration investigation Criminal_investigation team ( JIT ) , who concluded Coming_to_believe that the airliner was downed Motion by a Buk surface-to-air missile launched from pro-Russian separatist-controlled territory in Ukraine .

The DSB and JIT findings confirmed Check earlier claims Statement by American and German intelligence sources as to the missile type and launch area .