No collusion, but that hasn’t stopped the persecution, prosecutions, charges, and convictions. Collusion was just an excuse to go on a fishing expedition.
Mueller & team have to justify millions of tax payer money being spent ($44 Mil so far and counting). Since they can’t find any evidence of Trump+Russia conspiracy, they are digging up PAST actions of anyone associated with Trump campaign.
Give unlimited funds to a team of lawyers, and they will always find something below the legal line. If they dig through my taxes for past 25 years, they could find I once rounded off $34.50 bank interest as $34 instead of $35.