Footnote 350 could be referring to the January 2017 Mark Lyall Grant Communique questioning the credibility of Christopher Steele. #FISA thehill.com/opinion/white-… 
If it is the Lyall Grant Communique, then our allies still must be concerned. Cc: @realDonaldTrump cnn.com/2018/09/21/pol…
I believe Cody Shearer's network, including a Turkish businessman, was purportedly infiltrated by RIS/FSB. Shearer in 2017 had been "crisscrossing Eastern Europe" "to secure the purported kompromat from a different Russian" (FSB?). theguardian.com/us-news/2018/j… nytimes.com/2018/02/09/us/…
According to the PSS, the interviewed sub-source responsible for "allegations concerning Michael Cohen" & "the meeting between @carterwpage and Igor Divyekin", would be the source of the Russian disinformation in Footnote 350, given it involved "the activities of Michael Cohen".
The Dossier depicts this Sub-source as a "Kremlin insider" "close to Presidential Administration Head, S. IVANOV". Persons issuing denials in the footnote could be the sub-source, Konstantin Kosachev, or Oleg Solodukhin. The sub-source would issue similar denials in August 2017.
I personally don't believe there was any concerted Russian effort to plant disinformation into Steele's reporting. I believe Steele and/or his Primary Sub-source embellished gossip and fabricated stories to create the entire product.
The date of the initial report in Footnote 350 is January 12, 2017. This would seem to confirm the Mark Lyall Grant Communique. Cc: @codyave and @walkafyre #FISA
