11 years after the crash, many Poles, including senior members of the governing Law and Justice Party, question the results of an investigation conducted by a special Polish commission, which accepted the Russian results of their investigation, ignoring many apparent mistakes and lies.
Even current Polish president, Andrzej Duda, has noted that while Russia turned over data from the plane's flight recorders that it deemed relevant to the case, "the wreckage is still in Russia; the black boxes are still in Russia."
The late president's twin brother, Jaroslaw Kaczynski, has said he suspects the crash resulted from an assassination plot by the Russians.
It is expected that a special commission report will be published about the causes of the crash in a matter of days. The report is supposed to provide proof that it was not an accident.