Washington, Jan 23 – US counterintelligence agents have investigated National Security Advisor Michael Flynns communications with Russian officials, a media report said. Flynn is the first person in the newly-inaugurated US President Donald Trump’s administration whose communications are known to have been combed as part of a multi-agency investigation by the Federal Bureau of Investigation , Central Intelligence Agency and National Security Agency, into whether the Russian government secretly helped elect the New York billionaire, The Hill magazine reported on Sunday night citing the Wall Street Journal .