See, also, Sally Yates Says She Told White House Flynn Was Susceptible to Blackmail.
Opening remarks of Sens. Richard Burr, North Carolina (Chairman) and Mark Warner, Virginia (Vice Chairman) preceding testimony on Disinformation: A Primer in Russian Active Measures and Influence Campaigns, U.S. Senate Select Committee on Intelligence.
Published on 12.29.16, below is a report from the F.B.I. and the Department of Homeland Security detailing the ways that Russia acted to influence the American election through cyberespionage: