“Whoever is behind this stole our names and addresses, publicly exposed our private information without our permission, and used our identities to file a political statement we did not sign onto,” the people write in the letter, which was sent to FCC chairman Ajit Pai by pro-net neutrality regulation group Fight For the Future and signed by 14 people who say their identities were used for comments. “Hundreds of thousands of other Americans may have been victimized too.”

The letter calls on the FCC to investigate the…