"We know that money from anonymous sources is flowing into U.S. elections, and the methods through which it is funneled continue to increase in complexity and opacity."
By OpenSecrets.org
https://www.opensecrets.or...
Combating Kleptocracy: Beneficial Ownership, Money Laundering, and Other Reforms • OpenSecrets
Testimony of Sheila Krumholz-Executive Director of the Center for Responsive Politics Before the United States Senate Committee on the Judiciary
https://www.opensecrets.org/news/2019/06/combating-kleptocracy-beneficial-ownership-money-laundering-and-other-reforms