text:  Prosecutors accused him of gathering intelligence for the US Central Intelligence Agency, the CIA, about a Russian company in Yekaterinburg that makes tanks for the war in Ukraine. Evan and his employer, the Wall Street Journal, say he's completely innocent. The US say he's being used as a bargaining chip. The Russian leader, Vladimir Putin, has already indicated that he's open to a trade involving Mr. Gershkovich for a Russian prisoner in the US.