The former U.S, Attorney for, Eastern District of PA, 2018-2021, Bill Mcswain, wrote a letter to President Trump on June 9th, 2021 that explained that the reason he did not investigate voter fraud in Pennsylvania is that Bill Barr the alleged AG of the United States ordered him not to.
http://djhjmedia.com/steven/nuclear-bomb-former-u-s-attorney-bill-mcswain-to-trump-bill-barr-forbid-me-from-investigating-voter-fraud/