In this image made from a video taken on Dec. 10, 2015 and made available on Tuesday, Feb. 14, 2017, US President Donald Trump’s former National Security Advisor Michael Flynn, right, shakes hands with Russian President Vladimir Putin, in Moscow. Flynn, who resigned following reports that he misled White House officials about his contacts with Russia, was seen attending the 10th anniversary of the Russian television network RT in 2015 where Russian President Vladimir Putin gave a speech.