The person to ‘weaken’ America: what the Kremlin papers said about Trump

…multiple interactions between individuals linked to the Russian government and Trump's inner circle. The GRU spy Konstantin Kilimnik held clandestine meetings with Trump's campaign chairman, Paul Manafort.

https://www.theguardian.com/world/2021/jul/15/the-person-to-weaken-america-what-the-kremlin-papers-said-about-trump