Remember the rules. These people don’t take cyanide. They plead guilty so all the evidence is frozen out of view.
GUILTY = NO DISCOVERY = NO PUBLIC RECORD OF EVIDENCE
Standard DS modus operandi
“They plead guilty so all the evidence is frozen out of view.”
Rex on Twitter (https://twitter.com/_ImperatorRex_/status/1051951730198372352) makes the argument, that if it really was a coverup, we would not be hearing about it - no public indictments or news stories.
The fact that he was indicted on more serious charges which were dropped, is more consistent with the Prosecutor making a deal for him to testify against a bigger fish.