Supreme Court Eyes Rich Activists, Their Anonymous Donations And Tax Breaks : NPR

"The idea that an investigator can start a full-blown investigation and issue a bunch of subpoenas completely blinks the reality of how bureaucracies work," he says. Regulators "have to get some kind of a red flag before they know which charities to pick out for that kind of investigation."

https://www.npr.org/2021/04/26/986926368/supreme-court-eyes-rich-activists-their-anonymous-donations-and-tax-breaks