Any questions?
“In June 2016, the JIT published a photo of a large Russian-made Buk missile component found at the crash site.
In its September 2016 report, the team used witness testimony, intercepted phone calls, photographs and satellite imagery showing scorched land to pinpoint the launch site on high ground at Pervomaiskyi, near Snizhne, in territory held by pro-Russian separatists in eastern Ukraine.
It said it had been able to track the course of the missile trailer from Russia to the launch site and immediately back into Russian territory following the downing of the plane.”
https://www.bbc.com/news/world-europe-28357880