going to syria to entertain the troops
the reports I saw just said that it crashed into the black sea shortly after taking off from sochi, but you've got to have at least a suspicion of foul play given where it was heading
IMHO, it conforms to the tupkis' accident statistics, which are otherwise relatively safe planes (they are still popular despite getting old). Besides, most accidents happen in the initial and final stages of the flight.
Those guys were iconic. It's as if Kremlin collapsed killing 92 persons.