Funny how various US courts of law disagree with you and Rubio. The information the SIC vol.5 regroups was used to convict quite a few of Trump's campaign associates.
> Not for anything related to collision or election fraud.
Manafort was charged with crimes not related to Russian collusion in hopes of getting him to flip on Trump. It was working too, which is how Mueller’s team learned Manafort was feeding internal campaign to a Russian Intel officer, while Russia was waging a psyops campaign against American voters. This strikes at the heart of the collusion claims.
That was until Trump started dangling the idea of a pardon and Manafort clammed up.