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Learn more about the outside influence of “dark money” groups, which spend millions of dollars on elections without revealing where their money comes from. Get the full picture of who is lobbying ...

You are one of 7.5 million annual visitors to OpenSecrets. If you each donated just $1 a year, we'd never worry about funding again.

You are one of 7.5 million annual visitors to OpenSecrets. If you each donated just $1 a year, we'd never worry about funding again.

You are one of 7.5 million annual visitors to OpenSecrets. If you each donated just $1 a year, we'd never worry about funding again.

Support OpenSecrets during our NewsMatch campaign and double your donation! Help keep our resources and data free for the general public.

You are one of 7.5 million annual visitors to OpenSecrets. If you each donated just $1 a year, we'd never worry about funding again.

Support OpenSecrets during our NewsMatch campaign and double your donation! Help keep our resources and data free for the general public.

You are one of 7.5 million annual visitors to OpenSecrets. If you each donated just $1 a year, we'd never worry about funding again.

Support OpenSecrets during our NewsMatch campaign and double your donation! Help keep our resources and data free for the general public.

Support OpenSecrets during our NewsMatch campaign and double your donation! Help keep our resources and data free for the general public.

You are one of 7.5 million annual visitors to OpenSecrets. If you each donated just $1 a year, we'd never worry about funding again.