It seems the FBI—in its ongoing rogue-ness as a Federal government institution—obtained individual bank records of individuals about whom they had some curiosity without the nicety of the legally required court orders.
Legal experts are criticizing the FBI for allegedly obtaining the financial records of US customers with Bank of America “without any legal process” following the January 6, 2021, Capitol riot.
And
The allegations about subpoena-less bank-records gathering were included in a staff report from the full, GOP-led House Judiciary Committee that was released about an hour ahead of Thursday’s hearing.
From that report: