FWIW these are the Republican senators who are supposed to be conducting oversight of the Federal Bureau of Investigation (FBI):
Subcommittee on Criminal Justice and Counterterrorism
https://www.judiciary.senate.gov/about/subcommittees
Minority Members:
Ranking Member Tom Cotton (AR)
Chuck Grassley (IA)
John Cornyn (TX)
Mike Lee (UT)
Ted Cruz (TX)
John Kennedy (LA)
Minority Office: 202-224-2353
They don’t seem to be doing a whole lot.