and if they hail from Russia no Western legal process applies in Russia, Russian courts don't respect any Western demands, in fact, Western lawyers who dare to show up in Russia would likely be beaten or killed, so they could hire local counsel, but the criminals can hire hitmen to take out local counsel cheaper than they can hire defense lawyers.
That says something about the legal trade: when guys can hire hitmen cheaper than you can hire a lawyer (and typically with more certain results)