Putin hit man seen as Russia’s big prize in prison swap: ‘High-value asset’ Fox NewsGermany’s ‘Deal With The Devil’ In Russia Prisoner Swap Barron’sHow the Evan Gershkovich prisoner swap was agreed Financial TimesWho Is Vadim Krasikov? The Dark Figure at the Center of Putin’s Prisoner-Swap Demands – WSJ The Wall Street JournalWho Is the Russian Assassin Freed as Part of a Sweeping Prisoner Swap? The New York Times