From Flynn/Kislyak calls transcript

12/29/2016

Before General Flynn's voce message turns on, there is an open line, barely audible chat.

Someone asks Chernyshev, "Which agency are we talking about?" Chernyshev asks as to

confirm if he understands the question and responds in the same time: "Which Agency hackers did the hacking? Believe me, Americans did hacked this all."

https://www.hsgac.senate.gov/imo/media/doc/Flynn-Kislyak calls.pdf