" Putin’s method, Steele said, was unseen. “Nothing was written down. Don’t expect me or anyone to produce a piece of paper saying please X bribe Y with this amount in this way. He’s not going to do this.” He added: “Putin is an ex-intelligence officer. Everything he does has to be deniable.” The oligarchs were brought in to disguise the Kremlin’s controlling role, Steele said, according to The Sunday Times. "

― Luke Harding , Collusion: Secret Meetings, Dirty Money, and How Russia Helped Donald Trump Win