Consumers’ Research launched an attack against BlackRock and CEO Larry Fink during the National Association of State Treasurers annual convention, accusing the firm of cozying up to dictators.

The newest broadside is part of a monthslong multimillion-dollar campaign by the conservative nonprofit organization, which has worked to cast BlackRock and Fink as bad actors for the company’s forays into China and for its embrace of environmental, social, and governance goals in investing.