Okay maybe I'm just not paying enough attention but this connection (by Rex) is completely new to me. So for others that might have missed it too:

TRUMP working with MUELLER, ROSENSTEIN, BARR, GUILIANI in 80's/90's to take down the mob

-Trump planning Casino in Atlantic City in 80/81

-Trump offering FBI help to bring down mob in ATL in memo from sep 81

-ATL mob boss Scarfo files indicate at lot of arrest by one informant - Trump?

-Guiliani led Mafia Commission in 85/86 - was Trump source again?

-Gambion prosecutions by Mueller - USAG 90-93

-Rosenstein working for Mueller

-Barr working as DAG and later AG in 90-93

Article by Rex: https://quodverum.com/2019/03/75/endgame-potus-trump-s-vindication-nears.html

Memo: https://www.courthousenews.com/wp-content/uploads/2017/06/trump-docs.pdf

Scarfo files: https://vault.fbi.gov/nicodemo-scarfo