And note timing.
Farr had decided that the allegations within the Steele dossier “had to go up the chain of command.”
theepochtimes.com/uk-intel-agenc…
“It is understood that Alex Younger, the MI6 chief, and Andrew Parker, the MI5 director general, were informed of the dossier.”
We know Steele met w/former MI6 head Richard Dearlove & former UK Ambassador to Russia, Andrew Wood in fall 2016.
Despite (or perhaps more precisely "Because of") the UK's early participation in passing along intelligence to Brennan in late 2015 and early 2016.