Murder in the Skies: Who Downed Mh17?

On July 17, 2014, flight MH17 crashes over eastern Ukraine. All 298 people on board die. The victims and wreckage are scattered over a large area in the Donbass, where pro-Russian separatists were already fighting Ukrainian troops at the time. Amidst the chaos and devastation, the search for answers to the question of why the plane fell from the sky is proving very difficult. As misinformation is spread on the internet and Western governments struggle to obtain valid data, possible answers suddenly emerge. But how trustworthy are the sources?