https://www.theregister.co.uk/2019/10/04/fake_neutrality_comments/

Comment One of the key arguments behind the Federal Communications Commission's decision to repeal net neutrality was the number of supportive emails it had received for its proposals. But an investigation has shown that a huge number of these were faked by lobbyists.

What’s more, the company responsible - LCX Digital - used a dataset stolen by hackers to flood the public comment period, and has continued to use the same dataset for a number of other public comment periods in both local and federal legislation processes.