Putin called him a patriot. But who is Vadim Krasikov, a Russian released in the mass prisoner swap?

US ABC News: USVadim Krasikov, the Russian at the center of a massive prisoner swap, has long topped the Kremlin’s list for an exchange

​Vadim Krasikov, the Russian at the center of a massive prisoner swap, has long topped the Kremlin’s list for an exchange  

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