One of the most contentious and important points of the investigation into the downing of MH17 is the launch site for the Buk missile that caused the tragedy of July 17, 2014. The newly released Dutch Safety Board (DSB) investigative report dismisses all alternative scenarios other than a Buk missile launch, including the possibilities of air-to-air cannon fire and an air-to-air missile.
Murder In The Sky: Malaysia Airlines Flight MH17
Bellingcat: Buk launch site data in the Dutch safety board’s MH17 investigation

An official of Russia's missile maker Almaz-Antey presents the results of the company's widely discredited investigation into the downing of Malaysia Airlines flight MH17 at a press conference in Moscow on Oct. 13.