Source of quote: The Washington Post, online edition, December 14, 2016: https://www.washingtonpost.com/world/europe/the-kremlin-likes-the-hacking-attention-but-not-the-blame/2016/12/14/65279738-c177-11e6-92e8-c07f4f671da4_story.html?utm_term=.fc453119c6fd.
Fiona Hill co-authored the 2015 book Mr. Putin: Operative at the Kremlin, available here, on Amazon. She is also (according to the Washington Post story linked above, written by David Filipov) a scholar at the Brookings Institution. Here’s the headline, taken from a screenshot.
For those who do not know, The Washington Post is the newspaper which blew open the Watergate scandal, and that, in turn, brought down the Nixon administration.
These are facts.