You're forgetting Trump has worked for the FBI or as an informant since the 90s or even before then. This entire administration has been about exposing these actors in the public spotlight, only to criticize them and fire them. You think Barr will be AG for Trump's entire 2nd term?
I don't like Kushner at all btw, but here is a link pertaining to the theory about Trump and his work with the FBI resulting in the arrests of mobsters in Trump Tower:
https://trump-russia.com/2017/02/23/russian-mafia-in-trump-tower/