Maybe related to this:
“Ukraine’s top prosecutor divulged in an interview aired Wednesday on Hill.TV that he has opened an investigation into whether his country’s law enforcement apparatus intentionally leaked financial records during the 2016 U.S. presidential campaign about then-Trump campaign chairman Paul Manafort in an effort to sway the election in favor of Hillary Clinton.”
From The Hill 3-20-2019
Sounds like ‘COLLUSION’ to me!...........................