John Paul Mac Isaac said the scandal had caused him to close his business, and he is asking the court to award him $500 million in punitive damages.

Isaac is accusing Twitter of falsely portraying him as a hacker by blocking the Post's tweets about its story based on a company policy against sharing hacked materials.

Isaac said the incident had caused him to close his business, and he is asking the court to award him $500 million in punitive damages.

The laptop repairman at the center of the New York Post's dubious Hunter Biden exposé is suing Twitter, accusing the social-media giant of defamation over claims it insinuated he was a hacker and caused him to lose his business.