A simple Google search indicates that the man was a journalist There are several photographs available on the Library of Congress web site He was unlikely to be an accredited diplomat Journalists are covert gatherers of intelligence by definition and a USSR based journalists was undoubtedly on the FBI counterintelligence radar The Russians would be unlikely to use such a resource as a spy when they had accredited diplomats in the intelligence establishment who were protected by diplomatic immunity They also had a significant establishment of agents in place at the time