Both chambers of Congress are planning to vote on the For the People Act, which would force dark money groups to reveal their donors.
The donors include the super PAC arm of Charles Koch's main political nonprofit and the Republican State Leadership Committee.
The campaign behind a ballot measure to reverse Missouri's voter-approved redistricting reforms did not raise money from a single Missouri resident, instead relying on funding from GOP party groups and nondisclosing conservative nonprofits.
It's the same group that promoted hydroxychloroquine to the president in March.
Center Forward, a "dark money" group with major funding from Big Pharma, is running a Facebook ad campaign touting the pharmaceutical industry as its super PAC spends millions to re-elect Blue Dog Democrats.
The state's clean elections commission will now be required to defer to the IRS on which political spending groups can keep their donors secret.
Finance executives, industrial magnates, and right-wing megadonors have readied the groups spending tens of millions of dollars on ads to confirm Trump’s Supreme Court nominee, who often rules in line with corporate interests.
The super PACs affiliated with the Democratic leaders have raised particularly large sums this cycle from organizations that don't disclose their donors.
Dozens of billionaires have donated to the RNC's legal fund that is being used to fight against expanded access to mail voting.
Political spending in state elections by LLC's and nonprofit groups has surged in the decade since Citizens United, but some states are leading the way in strengthening disclosure laws around who’s buying and funding campaign ads.