An anti-gun-violence organization founded by former congresswoman Gabrielle Giffords filed a lawsuit Wednesday against the Federal Election Commission for failing to take action against the National Rifle Association for alleged campaign finance violations.

The lawsuit charges that the federal agency did nothing when confronted with repeated complaints by Giffords and the Campaign Legal Center accusing the NRA of using shell corporations to donate more than the legal amount to seven federal candidates, including President Trump, and to coordinate with their campaigns without disclosing it.

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