U.S.-Russia prisoner exchange includes Vadim Krasikov, Russian assassin serving a life sentence in Germany CBS NewsWho is Vadim Krasikov, the Russian hit man at the center of the deal? The Washington PostWho is Vadim Krasikov, Russia’s priority prisoner in historic swap? The HillPutin called him a patriot. But who is Vadim Krasikov, a Russian released in the mass prisoner swap? The Associated PressWho Is Vadim Krasikov? The Dark Figure at the Center of Putin’s Prisoner-Swap Demands – WSJ The Wall Street Journal