The two spy agencies worked closely together, signing cooperation agreements in 1972 and October 1986. The KGB was always the dominant partner – it would have closely monitored Trump when he and Ivana visited the USSR in summer 1987, following a Kremlin invitation https://www.theguardian.com/us-news/2018/oct/29/czechoslovakia-spied-on-trump-to-exploit-ties-to-highest-echelons-of-us-power