article_snippet: My sources believe that these people might have changed these people identities or even been executed by Russian secret service in order to hide everything,' said Dutch journalist Robert Bas.
article_snippet: Those who allegedly shot the missiles at the Boeing have been 'untraceable' for investigators, the missiles at the Boeing is claimed. '
article_snippet: So in the end there may be no trial, unfortunately, just the report on the results of the investigation,' Dutch journalist Robert Bas added.
article_snippet: A suspected 'executioner' - a Ukrainian air force pilot - was even named.
highlights_snippet: Investigators say shooters are 'untraceable' and may have been executed .
  