It was Alexander Downer in London, closely associated with
Hakluyt (now Holdingham Group Ltd) a private MI6 outfit, that met with Papadopulos. The FBI used AD's statement about Misfud to open the FISA interception warrants against the Trump camp.
Alexander Downer - FBI’s Aussie Trump-Russia Tipster Linked to Firm U.S. Intel Chiefs Have Distrusted for Years
https:// www.lifezette.com/polizette/fbis-aussie-trump-russia-tipper-linked-to-firm-u-s-intel-chiefs-have-distrusted-for-years/