Enlarge (credit: Getty Images) As part of today’s blockbuster prisoner swap between the US and Russia, which freed the journalist Evan Gershkovich and several Russian opposition figures, Russia received in return a motley collection of serious criminals, including an assassin who had executed an enemy of the Russian state in the middle of Berlin. But the Russians also got two hackers, Vladislav Klyushin and Roman Seleznev, each of whom had been convicted of major financial crimes in the US.