All the attorneys general were fired and removed to get a very specific "acting" attorney general. (May 21 https://qmap.pub/read/1433). The house investigation on these folks in the batters box (October 9 - https://qmap.pub/read/2381). That is why the senate was the goal. Whitaker was plotted for long ago.
https://thehill.com/policy/national-security/389189-house-gop-sets-three-fbi-interviews-in-clinton-probe
>May 24 - Government Reform committees has set three witness interviews for June, including testimony from Bill Priestap, the assistant director of the FBI’s counterintelligence division, and Michael Steinbach, the former head of the FBI’s national security division.
>Multiple congressional sources confirmed Priestap’s interview. Steinbach confirmed to The Hill that he would be appearing.
>The third witness is John Giacalone, who preceded Steinbach as the bureau's top national security official and oversaw the first seven months of the Clinton probe, according to multiple congressional sources.
https://www.foxnews.com/politics/three-fbi-officials-to-answer-house-panels-questions-about-clinton-emails
>May 25 - House Republicans in June plan to interview three FBI officials linked to the agency’s controversial handling of the Hillary Clinton email probe, part of an ongoing joint investigation by the House Judiciary and Oversight and Government Reform committees.
>The panels will interview Bill Priestap, assistant director of the FBI’s counterintelligence division; Michael Steinbach, formerly head of the agency’s national security division; and Steinbach’s predecessor, John Giacalone, the Hill reported.
>Priestap played a prominent role in the FBI during the Clinton and Russia probes, including the agency’s decision, led by former Director James Comey, to call Clinton’s email debacle, “extremely careless.”